Please anstwer each questron in this section with the cords \"Trwe\" or \"Faise,

Question

Please anstwer each questron in this section with the cords "Trwe" or "Faise, or by writing the correct letter in the blank. Each question is worth one point The current in a series RLC circuit is mi when the AC power supply is Magnetic field lines can, but do not akerys form closed loops No matter the frequency, light waves always propagate at a speed of A stationary charged particle can be affected by an external magnetic field, In a mass spectrometer, two particles are launched into a uniform magnetic 1. operating at the eircuit's resonant frequency 2. 299792458 m/s. 5. field with identical charges and equivalent initial velocities. If two tracks with radii ofr o.3 mm and r 0.4 mm, the particle that travelled the path with r, is more massive than the particle that travelled the path with rs. 6. The loop shown below is connected to a resistor that is outside of the magnetic field. Determine the direction of the induced current through the resistor if the magnetic field is decreasing in strength (magnitude). A. Left to right. B. Right to left. C. There is no induced current D. Not given enough information A 25 cm long copper wire is placed in a magnetic field such that the current is running toward the East and the magnetic field is directed toward the North. The current is 10 A. If the wire has a weight of o.1 N, determine the magnitude of the B-tield in order for the wire to float above the surface of the Earth A. 0.G1 I B. 1.6 T C. 0,16 1 D. Not given enough information FM radio frequencies range from 88 MHz- 108 MHz. Determine the range of wavelengths for FM radio frequencies. A. 2.8 mm to 3.4 mm B. 2.t m to 8.8 m C. 2.8 m to 3.t m D. Not given enough information

Explanation / Answer

1) False, As at resonance current in the circuit is maximum

2) False, As no magnetic monopole exist.

3) False, As light wave changes its speed if it changes the medium

4)False, As magnetic force only affect the moving particles

5) False, As radius is directly proportional to the mass so more is the radius more massive is the particle

6) Left to right, as the pole formed at the coil is north and the induced current is anti-clockwise

7) Weight of the wire is balanced by magnetic force,

ILB = mg

So, B = 0.16 T

8) C

By speed of light = wavelength times frequency

9)

Related Questions

Navigate

• Browse (All)
• Browse P
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.