Wheatstone bridge is used to measure the d.c. resistance of various types of wires for _________
A. determining their effective resistance
B. computing the power dissipation
C. quality control of wire
D. maintaining a source of constant e.m.f
Answer:C
Wheatstone bridge is used to measure the d.c. resistance of various types of wires for _________
A. determining their effective resistance B. computing the power dissipation C. quality control of wire D. maintaining a source of constant e.m.f