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Q.

Given below are two statements. One is labelled as Assertion (A) and the other is labelled as reason (R). 

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a

Both (A) and (R) are true but (R) is not the correct explanation of (A)

b

Both (A) and (R) are true and (R) is the correct explanation of (A)

c

Both (A) and (R) are false

d

(A) is true but (R) is false

answer is C.

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Detailed Solution

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To convert a galvanometer into ammeter, a resistor of very low resistance is connected in parallel to the galvanometer. Hence, the net resistance of the ammeter is decreased.

An ammeter is always connected in series with the circuit to measure the current through the part of the circuit.

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