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

Physics - Experimental Skills

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


7.
What is the SI unit of the figure of merit of a galvanometer?
A.
Ohm
B.
Ampere
C.
Volt
D.
Ampere per division
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ANSWER :
D. Ampere per division
8.
In the half-deflection method, the galvanometer is connected in series with a:

NEET - 2016

A.
Resistor
B.
Capacitor
C.
Voltmeter
D.
Ammeter
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ANSWER :
A. Resistor
9.
If the figure of merit of a galvanometer is low, what does it indicate?
A.
Higher current sensitivity
B.
Lower current sensitivity
C.
Higher voltage sensitivity
D.
Lower voltage sensitivity
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ANSWER :
B. Lower current sensitivity
10.
How does an increase in resistance affect the deflection of a galvanometer?
A.
It increases deflection
B.
It decreases deflection
C.
It remains unchanged
D.
It oscillates more
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ANSWER :
B. It decreases deflection
11.
The figure of merit of a galvanometer is defined as:

NEET - 2017

A.
The resistance of the galvanometer per unit current
B.
The voltage across the galvanometer per unit current
C.
The current per unit voltage applied
D.
The current per unit resistance
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ANSWER :
B. The voltage across the galvanometer per unit current
12.
In the half deflection method, why is a known resistance connected in series with the galvanometer?
A.
To limit current
B.
To prevent excessive deflection
C.
To bring deflection to half
D.
To increase resistance
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ANSWER :
C. To bring deflection to half