Question: A Multirange Voltmeter Figure shows the internal wiring of a three-scale voltmeter whose binding posts are marked +, 3.00 v, 15.0 V, and 150 V,

A Multirange Voltmeter Figure shows the internal wiring of a €œthree-scale€ voltmeter whose binding posts are marked +, 3.00 v, 15.0 V, and 150 V, When the meter is connected to the circuit being measured, one connection is made to the post marked + and the other to the post marked with the desired voltage range.
The resistance of the moving coil, RG, is 40.0 Ω, and a current of 1.00 mA in the coil causes it to deflect full scale. Find the resistances R1 R2, and R3, and the overall resistance of the meter on each of its ranges.

R R2 RG w R3 ww 3.00 V 15.0V 150 V

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