1.

A 25mv, 2mA d’Arsonval movement is to be used in voltmeter whose full scale reading is 100v. The resistance inserted by 100v meter into circuit is ___________

A. 1 * 105Ω
B. 1 * 106Ω
C. 1 * 104Ω
D. 1 * 103Ω
Answer» B. 1 * 106Ω


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