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An ammeter and a voltmeter are connected in series to a battery with emf E = 6 volt and negligible resistance. When a resistance R  3Ω is connected in parallel to voltmeter, reading of ammeter increases three times while that of voltmeter reduces to one third. 41. The resistance of ammeter is : (A) 24 Ω (B) 8 Ω (C) 4 Ω (D) 3 Ω 42. The resistance of voltmeter is : (A) 24 Ω (B) 8 Ω (C) 4 Ω (D) 3 Ω

An ammeter and a voltmeter are connected in series to a battery with emf E = 6 volt and negligible resistance.
When a resistance R  3Ω is connected in parallel to voltmeter, reading of ammeter increases three times while
that of voltmeter reduces to one third.
41. The resistance of ammeter is :
(A) 24 Ω (B) 8 Ω (C) 4 Ω (D) 3 Ω
42. The resistance of voltmeter is :
(A) 24 Ω (B) 8 Ω (C) 4 Ω (D) 3 Ω

Grade:11

2 Answers

Manoj Patra
22 Points
6 years ago
Ammeter..8
Voltmeter....24
Manoj Patra
22 Points
6 years ago
Ammeter..8
Voltmeter....24

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