Multiple Choice
It is required to measure the true open circuit e.m.f. of a battery. The best device is
A) d.c. voltmeter
B) ammeter and a known resistance
C) d.c. potentiometer
D) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q14: The vale of resistance of an earthing
Q15: If the current in a capacitor leads
Q16: Maxwell's inductance capacitance bridge is used for
Q17: Loss of charge method is used to
Q18: The most commonly used null deflector in
Q20: Standard resistor is made from<br>A)platinum<br>B)maganin<br>C)silver<br>D)nichrome
Q21: High resistances are provided with a guard
Q22: --------- is an instrument which measures the
Q23: A bridge circuit works at a frequency
Q24: The wheatstone bridge cant be used for