App Store LTE 12:41 PM Quiz Review 2 Physics II Quiz 2 Review I. What is unit of

Question

App Store LTE 12:41 PM Quiz Review 2 Physics II Quiz 2 Review I. What is unit of current and potential difference? 2 The expression of current through a metal is given by I- nqv A, if the temperature increases what happen? . Ohms law is the relationship between 4. Is the resistivity of a material s. If the temperature changes the resistivity will 6 In ohms law current is 7 KWH is the unit of s In joules Heat expression P- IR, therefore power is 9. Two different metal wire of same diameter and length, the resistance will be different because 1o. In order to increase or decrease the resistance, the resistor will be connected 11. In a parallel and series connection the current will be 12. In a series and parallel connection the voltage will be 13 Ampere-hour (A.hr) is the unit of 14 If the traversal of the circuit is opposite direction of current the potential difference is is If you move in the same or opposite direction of current the loop law equation will be 16. What is the unit of RC (where R is the resistance & C is the capacitance) 17. Which one does not have mono-pole? I8. A proton is at rest in side the a magnetic field, the force is 19. An electron is moving parallel to the direction of magnetic field, the force on electron is 20. An electron is moving along positive x-axis in side a magnetic field that is in the positive Y-axis 21. The path of a charge particle is moving in side a magnetic field, where the angle between then is not 90 degree, 22 The magnetic field produce by a solenoid, B ?,NLL, if the current, I is remain constant, the magnetic field will increase In ferromagnetic material the magnetization occur by ailing the 24. The core of magnetic field from 2s. The magnetic flux through any closed surface is zero implies

Explanation / Answer

1) Unit of current is ampere and unit of PD is volts.

2) If temperature increases, no. of carriers n increases and thus current I increases.

3) Ohm’s law is the relationship between current, voltage and resistance.

4) Incomplete question.

5) Change.

6) Directly proportional to voltage.

7) Energy.

8) Directly proportional to the square of the current.

9) Different metals have different resistivity and resistance depends on resistivity as well.

10) In series or parallel. Series connection increases the resistance while parallel connection decreases the resistance.

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