| 1 |
A,C electric supply at homes: |
240 volt
50 volt
220 volt
1000 volt
|
| 2 |
The working principle of transformer: |
Electromagnetic conduction
Electrostatic induction
Electric charge
Neutralization
|
| 3 |
A device that decreases or increases the A.C voltage: |
Transformer
Ammeter
Voltmeter
Fuse
|
| 4 |
The SI unit of capacitance is: |
Farad
Ampere
Ohm
Newton
|
| 5 |
The device use to store electric current: |
Fuse
Switch
Resistor
Capacitor
|
| 6 |
The conductors having larges resistance are called: |
Fuses
Switches
Resistors
Capacitors
|
| 7 |
The SI unit of resistance: |
Volt
Ampere
Ohm (Ω)
Farad
|
| 8 |
According to ohm's law , current and potential difference are: |
Inversely proportional
Directly proportional
Equal
Non of the above
|
| 9 |
The potential difference between tow paints in a circuit is measured by: |
Galvanometer
Ammeter
Voltmeter
Multi - meter
|
| 10 |
Which of the following is an neutral particle? |
Electron
Proton
Neutron
Alpha particle
|
| 11 |
The energy produced by the breakdown of chemical bond between atoms: |
Light energy
chemical energy
electrical energy
kinetic energy
|
| 12 |
The Si unit of current is: |
Ohm
Ampere
Kilowatt
Coulomb
|
| 13 |
Sunlight is directly transformed to electricity with the help of: |
Solar cells
Diod
Rectifier
Transistor
|
| 14 |
The Si unit of power is; |
Joule
Ohm
Watt
Ampere
|
| 15 |
The production of electricity from tides of water is called: |
Wind power
Thermal power
Tidal power
Nuclear power
|
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