# 1. Energy per unit charge is termed as

- Power
- Voltage
- Current
- Capacitance

**2. The rate of flow of charge per unit time is called**

- Power
- Voltage
- Current
- Capacitance

# 3. The direction of convection electric current is taken from

- Lower Potential to higher potential
- Higher potential to Lower Potential
- Higher potential to higher potential
- Half potential to full potential

**4. The device used to measure potential diffrence is**

- Ammeter
- Thermometer
- Voltmeter
- Potentiometer

# 5. A conductor is said to have resistance of one ohm if a potential difference of one volt across its terminals causes a current of X ampere to flow through it. What will be the value of X?

- 5
- 3
- 2
- 1

# 6. The device used to measure the current is

- Ammeter
- Thermometer
- Voltmeter
- Potentiometer

**7. For reference purpose the potential of the earth is taken as**

- Infinite
- Positive
- Zero
- Negative

**8. **The conductors have transport phenomena of electrons due to

- Electric field
- Magnetic field
- Electromagnetic field
- Inductive field

**9. **The specific resistance of a conductor depends upon

- The dimension of the conductor
- Composition of conductor material
- The resistance of the conductor
- Both (a) and (b)

# 10. A 25 Ω resistor has a voltage of 150 sin377 t. Find the corresponding power.

- 900 sin
^{2}337 t - 90 sin
^{2}337 t - 900 sin
^{2}377 t - 9 sin
^{2}337 t

# 11. Determine the total charge entering a terminal between t = 1 s and t = 2 s, if the current passing the terminal is (3t^{2} – t) A.

- 3.5 C
- 6.5 C
- 4.5 C
- 5.5 C

**12. **The S.I unit of Electric energy is

- Watt
- Volts
- Ampere
- Joul

# 13.** **The Unit of inductance is _____

- Weber
- Henry
- Farad
- Tesla

# 14. Which property of an electrical conductor opposes a change in the current?

- Resistance
- Capacitance
- Conductance
- Inductance

**15. **Farad is the S.I units of____

- Inductance
- Resistance
- Capacitance
- Reluctance

# 16. Which property of an electrical conductor opposes a change in the current?

- Resistance
- Capacitance
- Conductance
- Inductance

# 17. Which of the following is the dimensional formula for conductance or conductivity?

- M
^{−1}L^{−2}T^{3}A^{2} - M L
^{3}T^{−}^{3}A^{−}^{2} - M
^{2}L^{2}T^{−}^{3}A^{−}^{2} - M L
^{2}T^{3}A^{−}^{2}

**18. Which of the following is the dimension of resistance?**

- [M.L
^{2}.T^{-2}] - [M.L
^{2}.T^{-2}.I^{-2}] - [M L
^{2}T^{-3}A^{-2}] - [M L
^{2}T^{-2}A^{⁻1}]

# 19. Energy stored in an inductor is _______

- LI
- LI
^{2} - LI/2
- LI
^{2}/2

# 20. **An inductor of 3mH has a current i = 5(1 – e**^{-5000t}). Find the corresponding maximum energy stored.

^{-5000t}). Find the corresponding maximum energy stored.

- 375 J
- 37.5 mJ
- 37.5 kJ
- 3.75 mJ