SSC JE 2019-20 Technical Quiz 5

The current drawn by a 230 V DC motor of armature resistance 0.5 Ω and back emf 200 V is

Determine the deflection sensitivity (in m/v) of a CRO, when the value of the deflection factor is 0.5 V/m.

Which of the following is a leading power factor system?

Determine the required value of shunt resistance (in Ohms) to convert a galvanometer into ammeter for reading up to 12 A, when the internal resistance of the galvanometer is 30 Ohms and the value of current for full scab deflection is 0.1 A.

Which of the following material does not allow the current to flow in it?

A zero-watt lamp consumes

What are the characteristics of common collector configuration amplifier with respect to the input and output impedance?

The dummy coil in DC machines is used to _____.

In cables, the thickness of the layer of insulation on the conductor depends upon.

Luminous efficiency of a fluorescent tube is