Current Electricity and Electrical InstrumentHard

Question

A 10V battery with internal resistance 1Ω and a 15V battery with internal resistance 0.6Ω are connected in parallel to a voltmeter (see figure). The reading in the voltmeter will be close to
          

Options

A.11.9 V
B.13.1 V
C.12.5 V
D.24.5 V

Solution

E = = 13.1V

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