Engineering analysis

1. The cost of electricity in MT is about $0.09/kw-h. Calculate the cost of: (a)

1. The cost of electricity in MT is about $0.09/kw-h. Calculate the cost of: (a) Leaving a 60 watt porch light on for 2 weeks while you are away on vacation. (b) Making a piece of…

1. The creation of an interference pattern is indicative of Select one: a. Organ

1. The creation of an interference pattern is indicative of Select one: a. Organized molecular blockage b. Misaligned polarization c. Opposite charged magnetic poles d. Wave propa…

1. The current in a 44 resistor is 0.10 A. This resistor is in series with a28 r

1. The current in a 44 resistor is 0.10 A. This resistor is in series with a28 resistor, and the series combination isconnected across a battery. What is the battery voltage? 2. T…

1. The current in a circuit is 1 amp. What will the current be when the voltage

1. The current in a circuit is 1 amp. What will the current be when the voltage is increased by 50%? ....................... 2. A 10 ? resistor is connected across a 12 V battery.…

1. The current in a circuit is 1 amp. What will the current be when the voltage

1. The current in a circuit is 1 amp. What will the current be when the voltage is increased by 50%? ....................... 2. A 10 ? resistor is connected across a 12 V battery.…

1. The current through a 475-k resitr=or is 9.71 uA. What is the voltage differe

1. The current through a 475-k resitr=or is 9.71 uA. What is the voltage difference across the resistor? a) 4.61 V b) 48.9 V c) 0.0204 V d) As the location of ground is unkown, th…

1. The data message defined by 9A73(hexadecimal) is to be transmitted over a ser

1. The data message defined by 9A73(hexadecimal) is to be transmitted over a serial link at a rate of 9600 bps. The message is delivered in “MSB first,” 9-bit format which include…

1. The decision to standardize on 60Hz had to do with minimizing: a. b. C. d. e.

1. The decision to standardize on 60Hz had to do with minimizing: a. b. C. d. e. Real power losses in the overall system Noise from power amplifiers Size of power conductors Annoy…

1. The density of one slice of bread is (a) less than, (b) greater than, (c) the

1. The density of one slice of bread is (a) less than, (b) greater than, (c) the same as a whole loaf 2. If a loaf of bread's density increases when squished, the total mass of th…

1. The density of water is 1000 kg/m 3 . Compared to this, the density of air at

1. The density of water is 1000 kg/m3. Compared to this, the density of air at sea level is approximately 1000 times less. approximately 100 times less. approximately 10 times les…

1. The density of water is 1000 kg/m 3 . Compared to this, the density of air at

1. The density of water is 1000 kg/m3. Compared to this, the density of air at sea level is approximately 1000 times less. approximately 100 times less. approximately 10 times les…

1. The depth of the pacific ocean in the mariana trench is 11 km. what is the pr

1. The depth of the pacific ocean in the mariana trench is 11 km. what is the pressure at this depth (density of sea water is 1.025*103 kg/m^3) 2. The volume of an iceberg is 2800…

1. The devices that provide the means for a MPU or MCU to communicate with the u

1. The devices that provide the means for a MPU or MCU to communicate with the user or other external devices are referred to as: A. CPU B. ALU C. IVO D. none of the above 2. The …

1. The diagram depicts a rectangular wire loop of width a = 13.0 cm and height b

1. The diagram depicts a rectangular wire loop of width a = 13.0 cm and height b = 7.45 cm, that is connected to a current source that when turned on, gives rise to a current I = …

1. The diagram shows a two-chamber mass spectrometer device. Singly-charged ions

1. The diagram shows a two-chamber mass spectrometer device. Singly-charged ions (q = +|e|) enter from the left. They first pass through the The diagram shows a two-chamber mass s…

1. The diagram shows an upside-down bottle containing two liquids, A ( A =1250 k

1. The diagram shows an upside-down bottle containing two liquids, A (A=1250 kg/m3) and B (B=820 kg/m3). Liquid A fills a volume with a narrow cross-section, A1=14 cm2, and a heig…

1. The diagram shows the positions at intervals of 0.10 seconds of a ball moving

1. The diagram shows the positions at intervals of 0.10 seconds of a ball moving from left to right (as in a photograph taken with a stroboscope that flashes every tenth of a seco…

1. The diagram shows the top view of three motorboats crossing a river (left ban

1. The diagram shows the top view of three motorboats crossing a river (left bank to right bank). All three move at the same speed of 5.0 m s-1 but in different directions, and al…

1. The diagram shows two points in an electric field: point 1 is at (x 1 , y 1 )

1. The diagram shows two points in an electric field: point 1 is at (x1, y1) = (7, 4), and point 2 is at (x2, y2) = (12, 9), in metres. The electric field is constant, with a magn…

1. The dielectric constant of SiO2, Si3N4 and Ta2O5 are about 3.9, 7.6, and 25 r

1. The dielectric constant of SiO2, Si3N4 and Ta2O5 are about 3.9, 7.6, and 25 respectively. What is the capacitance ratio for the capacitors with Ta2O5 and oxide/nitride/oxide di…

1. The dielectric constant of SiO2, Si3N4 and Ta2O5 are about 3.9, 7.6, and 25 r

1. The dielectric constant of SiO2, Si3N4 and Ta2O5 are about 3.9, 7.6, and 25 respectively. What is the capacitance ratio for the capacitors with Ta2O5 and oxide/nitride/oxide di…

1. The diffraction relation perdicts the thinner the diffracting object, the (pi

1. The diffraction relation perdicts the thinner the diffracting object, the (pick one) narrower/wider is the central diffraction peak. 2. Name some instances when you have observ…

1. The diffusion constant for oxygen diffusing through tissue is1.0 × 10 11 m 2

1. The diffusion constant for oxygen diffusing through tissue is1.0 × 1011 m2/s. In a certainsample oxygen flows through the tissue at 2.0 ×106 kg/s. If the thickness of the tissu…

1. The displacement is a. the position b. the change in the position c. the chan

1. The displacement is a. the position b. the change in the position c. the change in the position divided by the time it takes to change d. the total distance traveled divided by…

1. The distance between an object and its image formed by a diverging lens is 5.

1. The distance between an object and its image formed by a diverging lens is 5.90 cm. The focal length of the lens is -3.00 cm. Find (a) the image distance and (b) the object dis…

1. The distance between the Sun and Mercury varies from dmin = 4.600 107 km to d

1. The distance between the Sun and Mercury varies from dmin = 4.600 107 km to dmax = 6.982 107 km over the course of Mercury's elliptical orbit. (a) Determine the range of the Su…

1. The distance between the Sun and Mercury varies from dmin = 4.600 107 km to d

1. The distance between the Sun and Mercury varies from dmin = 4.600 107 km to dmax = 6.982 107 km over the course of Mercury's elliptical orbit. (a) Determine the range of the Su…

1. The dot product of two vectors, A and B, is the product of the ______________

1. The dot product of two vectors, A and B, is the product of the ______________ and the _____________ of the angle theta between them. Multiple Choice 2. What is the dot product …

1. The drawing shows a wire composed of three segments, AB, BC, and CD. There is

1. The drawing shows a wire composed of three segments, AB, BC, and CD. There is a current of I = 2.8 A in the wire. There is also a magnetic field B(magnitude = 0.19 T) that is t…

1. The drawing shows that a uniform magnetic field is directed perpendicularly o

1. The drawing shows that a uniform magnetic field is directed perpendicularly out of the plane of the paper and fills the entire region to the right of the y-axis. There is no ma…

1. The efficiency of an array of solar panels is related to the fraction of the

1. The efficiency of an array of solar panels is related to the fraction of the number of electrons ejected from the array to the number of incident photons on the array, . Take t…

1. The efficiency of an array of solar panels is related to the fraction of the

1. The efficiency of an array of solar panels is related to the fraction of the number of electrons ejected from the array to the number of incident photons on the array, e. Take …

1. The electric field is defined as the Coulomb force per unitchange. Explain wh

1. The electric field is defined as the Coulomb force per unitchange. Explain why the magnetic field cannot be defined as themagnetic force per unit of charge. 2. An Ac generator …

1. The electric field is uniform in a region of space, being equal to 500 N/C an

1. The electric field is uniform in a region of space, being equal to 500 N/C and pointing to the east. Consider three points A, B and C in this region. The point A is to the west…

1. The electric field strength 5.0 cm from a very long charged wire is 2700 N/C.

1. The electric field strength 5.0 cm from a very long charged wire is 2700 N/C. A: What is the electric field strength 10.0 cm from the wire? Express your answer to two significa…

1. The electric potential at the surface of a charged conductor a. is always suc

1.      The electric potential at the surface of a charged conductor a. is   always such that the potential is zero at all points inside the conductor. b. is   always such that th…

1. The electric potential due to a point charge is given by V = Kq r where q is

1. The electric potential due to a point charge is given by V = Kq r where q is the charge, r is the distance from q, and K = 9 × 109 Nm2/C2 . Show that the SI unit of electric po…

1. The electrical resistance of an electrical conductor is directly proportional

1. The electrical resistance of an electrical conductor is directly proportional to: a. The applied electrical field strength b. The resistivity of the conducting metal c. The amo…

1. The electricity that comes to my house is generated by the local power compan

1. The electricity that comes to my house is generated by the local power company (True/False) 2. There is a major storm in Chicago and I am 1,200 miles away so I don’t have to wo…

1. The electromagnetic spectrum is a continuous range of waves extending from: a

1. The electromagnetic spectrum is a continuous range of waves extending from: a) infrared waves to radio waves   b) gamma rays to x-rays      c) UV rays to radio waves     d) mic…

1. The electron and proton of a hydrogen atom are separated (on the average) by

1. The electron and proton of a hydrogen atom are separated (on the average) by a distance of approximately 5.3 x10-11 m. Find the magnitude of the electric force. 10 pts 2. Two s…

1. The electron motion was down (rather than up as shown) a. Up b. Down c. Left

1. The electron motion was down (rather than up as shown) a. Up b. Down c. Left d. Right e. Into page f. Out of page g. Zero deflection 2. The magnetic field pointed right instead…

1. The emf supplied by a battery is GREATER then the voltage (potential differen

1. The emf supplied by a battery is GREATER then the voltage (potential difference) reading across the two terminal of the battery. 2. Adding resistors to a circuit will always IN…

1. The energy stored in gasoline is approximately 3.50×104 kJ per litre; 25% of

1. The energy stored in gasoline is approximately 3.50×104 kJ per litre; 25% of this is converted into useful work by an automobile. When you drive on the highway at constant spee…

1. The energy transfer diagram represents the energy of a light bulb. How much e

1. The energy transfer diagram represents the energy of a light bulb. How much electrical energy is involved in this transformation? 60 J 80 J 100 J 120 J 2. The ray diagram shows…

1. The engine lathe is distinguished from other machines in the shop in that the

1. The engine lathe is distinguished from other machines in the shop in that the rotates. a) chuck b) cutting tool c) work piece d) bed 2. The carriage of the lathe travels along …

1. The equation of a transverse wave traveling along a very long string is y 6.0

1. The equation of a transverse wave traveling along a very long string is y 6.0 sin(0.002xx + 4.0 ) where x and y are expressed in centimetres and ris in seconds. Determine (a) t…

1. The equivalent resistance connected across the (9.00 V) seat of EMF equals 2.

1. The equivalent resistance connected across the (9.00 V) seat of EMF equals 2. Resistor R4 carries a current of 3. The potential difference between points “c” and “d” equals 4. …

1. The escape speed V is the minimum speed needed to project a mass m upward fro

1. The escape speed V is the minimum speed needed to project a mass m upward from the surface of another mass M (such as a planet, asteroid, or star). It is given by using:   M = …

1. The experiment examines the electric filed on the surface of plates covered u

1. The experiment examines the electric filed on the surface of plates covered uniformly with low-conducting coating. Each plate has imbedded over the coating a pair of high condu…