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Standard XII

Physics

Series and Parallel Combination of Resistors

Which of the ...

Question

Which of the following is/are true for an ammeter?
A. An ammeter always reads lesser than actual current.
B. An ammeter always reads more than actual current.
C. An ammeter is always connected in series because it is a low resistance device.
D. An ammeter is always connected in series because it is a high resistance device.

Only

A

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A

and

B

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A

and

C

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Only

D

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Solution

The correct option is D $A$ and $C$
An ammeter is always connected in series because it is a very low resistance device and due to this resistance ammeter reads lesser than actual current.

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The correct option is D A and CAn ammeter is always connected in series because it is a very low resistance device and due to this resistance ammeter reads lesser than actual current.

The correct option is D $A$ and $C$
An ammeter is always connected in series because it is a very low resistance device and due to this resistance ammeter reads lesser than actual current.