Measurement and Instrumentation
Some wire- wound resistors have bifilar winding. This type of winding is used to

Reduce the inductance of winding
Reduce the tolerance
Double the power rating of the resistor
Increase the thermal stability

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
Which of following statement are correct in case of power factor meter?

 It consist of two coils mounted at right angles to each other.
 Both B and C.
 The restoring torque is provided by a controlling torque.
 The deflection is proportional to phase angle between field coil and crossed coil.

ANSWER DOWNLOAD EXAMIANS APP