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Circuit diagram & commonly used symbols

Question

Figure shows:

Resistance and bulb
Resistance and variable resistance
Bulb and galvanometer
Bulb and voltmeter

A

Bulb and voltmeter

B

Resistance and bulb

C

Resistance and variable resistance

D

Bulb and galvanometer

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Solution

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The given figure shows a $r e s i s t a n c e$ and a $b u l b$ respectively.

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