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The galvanometer shown in the figure has...

The galvanometer shown in the figure has resistance `10Omega.` It is shunted by a series combination of a resistance `S = 1Omega` and an ideal cell of emf 2 V. A current 2 A passes as shown.

A

The reading of the galvanometer is 1A.

B

The reading of the galvanometer is zero.

C

The potential difference across the resistance S is 1.5 V.

D

The potential difference across the resistance S is 2 V.

Text Solution

Verified by Experts

The correct Answer is:
A, B, D
a.,b.,d.
Let the currents be as shown in
the figure.
Applying KVL along ABCDA,
we get
`-10i-2 + (2-i) 1 = 0`
`:. i = 0 `
Potential difference across = `(2-i)1 = 2xx1 = 2V` .
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