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07-02-2024
Physics

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The resistance of an ammeter is 13Ω and its scale is graduated for a current upto 100A. After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750A by this meter. The value of shunt resistance is:

A. 20Ω
B. 2Ω
C. 0.2Ω
D. 2KΩ

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