6.RRB ALP CBT2 RAC Question bank

RAC

The best conductor of electricity is ———-

• Silicon
• Copper
• Aluminium
• Gold

To Ohm’s law equation is ———

• V = IR
• I = VR
• P = VIR
• R = VI

The ammeter is used in

• Series in a circuit
• Parallel in a circuit
• In earth wire
• None of these

Rubber is an example of

• Convector
• Conductor
• Heater soo
• Insulator

In AC Circuits, the power factor is the ratio of

• The apparent power that is used to do work and the real power that is supplied to the circuit
• The real power that is used to do work and the apparent power that is supplied to the circuit
• The reactive power that is used to do work and the apparent power that is supplied to the circuit
• The real power that is used to do work and the reactive power that is supplied to the circuit