| 1 |
A conductor of electric current is: |
Wood
Rubber
Plastic
Copper
|
| 2 |
Which wire has lowest resistance? |
Thick wire
Thin wire
Very thin wire
All
|
| 3 |
In mathematical form of Ohm's law, "R" is: |
Resistance
Specific resistance
Resistor
Resistivity
|
| 4 |
Electric current in conductors is due to the flow of: |
Positive ions
Negative ions
Positive charge
Free electrons
|
| 5 |
Which instrument measures the potential difference: |
Voltmeter
Barometer
Galvanometer
Ammeter
|
| 6 |
Mathematical formula of electromotive force (e.m.f) is: |
E = W/Q
E = Q/W
E = WQ
E = W2Q
|
| 7 |
The S.I unit of potential difference is: |
Ampere
Coulomb
Volt
Watt
|
| 8 |
The S.I unit of electric current is: |
Volt
Ampere
Coulomb
Watt
|
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