santosh

what is the value of resistance in an open circuit?

• zero

• low

• infinity

which is inversely proportional to the resistance of a conductor?

• Length

• Temperature

• Area of cross section

Which is the diamagnetic substance?

• Air

• steel

• water

In which device the air capacitors are used?

• Radio receiver

• Loudspeaker

• Oscillator

What is the phase displacement in a single phase AC circuit?

• 90

• 120

• 180