| 1 |
The constant in Ohm's law is. |
- A. Current
- B. Resistance
- C. Potential difference
- D. Charge
|
| 2 |
The working principle of transformer: |
- A. Electromagnetic conduction
- B. Electrostatic induction
- C. Electric charge
- D. Neutralization
|
| 3 |
Which of the following is an neutral particle? |
- A. Electron
- B. Proton
- C. Neutron
- D. Alpha particle
|
| 4 |
The SI unit of resistence. |
- A. Ampere
- B. Volt
- C. Hertz
- D. Ohm
|
| 5 |
The potential of the neutral wire is. |
- A. Zero
- B. +220 volts
- C. 220 volts
- D. Changing
|
| 6 |
The energy produced by the breakdown of chemical bond between atoms: |
- A. Light energy
- B. chemical energy
- C. electrical energy
- D. kinetic energy
|
| 7 |
Multi - meter is an instrument which can be used to measure: |
- A. Current
- B. Potential difference
- C. all of the above
- D. Resistance
|
| 8 |
Which circuits carry currents to the lights heaters and other appliances: |
- A. parallel circuits
- B. series circuits
- C. common circuits
- D. All of the above
|
| 9 |
Ammeter is always connected with a circuit in. |
- A. parallal
- B. Series
- C. Both a and b
- D. None of these
|
| 10 |
The device used for turning a circuit ON or OFF is. |
- A. Switch
- B. Fuse
- C. Circuit breaker
- D. Earth wire
|
