Resistance and Figure of Merit of a Galvanometer By Half Deflection Method NEET Questions

Resistance and Figure of Merit of a Galvanometer By Half Deflection Method MCQ Questions

13.
What happens if the resistance in the circuit is too high in the half deflection method?
A.
Galvanometer shows no deflection
B.
Deflection is not exactly half
C.
Resistance measurement becomes inaccurate
D.
Deflection becomes unstable
ANSWER :
B. Deflection is not exactly half
14.
What is the use of the figure of merit in a galvanometer?

NEET - 2018

A.
To measure the current
B.
To measure the voltage
C.
To find the resistance of the galvanometer
D.
To calibrate the galvanometer
ANSWER :
B. To measure the voltage
15.
Which factor does NOT affect the figure of merit of a galvanometer?
A.
Number of turns of coil
B.
Resistance of coil
C.
Damping of coil
D.
Material of coil
ANSWER :
D. Material of coil
16.
What is the typical resistance range of a moving coil galvanometer?
A.
1-100 Ω
B.
100-500 Ω
C.
500-1000 Ω
D.
More than 1000 Ω
ANSWER :
B. 100-500 Ω
17.
The half-deflection method is used to measure the resistance of:

NEET - 2019

A.
A battery
B.
A galvanometer
C.
A voltmeter
D.
An ammeter
ANSWER :
B. A galvanometer
18.
Which equation correctly represents the figure of merit (K) of a galvanometer?
A.
K = I/θ
B.
K = θ/I
C.
K = V/θ
D.
K = θ/V
ANSWER :
B. K = θ/I