Which is the best conductor of electricity _______________?

A. Iron
B. Silver
C. Copper
D. Carbon

Static capacitors are rated in terms of_____________?

A. Kw
B. Kwh
C. Kvar
D. None of the above

Which of the followings is/are active element?

A. Voltage source
B. Current source
C. Both
D. None of these.

Internal resistance of ideal voltage source is ?

A. Zero
B. Infinite
C. Finite
D. 100 ohms

Internal resistance of ideal current source is ?

A. Zero
B. Infinite
C. Finite
B. 100 ohms

Which of the following quantities consists of SI unit as WATT ?

A. Force
B. Charge
C. Current
D. Power

Which quantity consists of a unit 1KWh ?

A. Energy
B. Time
C. Power
D. Charge

Which quantity should be measured by the voltmeter ?

A. Current
B. Voltage
C. Power
D. Speed

Capacitor does not allow the sudden change of ?

A. Current
B. Voltage
C. Power
D. None of the above

Which of the following are the passive elements?

A. Resistor
B. Bulb
C. Both
D. None of these.