Question

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Answer 1

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Explanation:

the answer is-

(a) The resistance of an ammeter should be very small so that it may not change the value of the current flowing in the circuit.

(b) The resistance of a voltmeter should be very large so that it takes a negligible current from the circuit.

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Answer 2

Ammeter :- deivce used to measure current

• ammeter is connected in series
• effective resistance in a series connection is more

Voltmeter :- device used to check potential difference

• voltmeter is connected parallely
• effective resistance in a parallel connection is less

due to these reasons resistance of ammeter is very small and that of voltmeter is very large