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Question

The reading of voltmeter is

50 V
60 V
40 V
80 V

A

60 V

B

50 V

C

40 V

D

80 V

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Solution

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Components connected in series are connected along a single path, so the same current flows through all of the components. The current through each of the components is the same, and the voltage across the circuit is the sum of the voltages across each component.
Components connected in parallel are connected so the same voltage is applied to each component. In a parallel circuit, the voltage across each of the components is the same, and the total current is the sum of the currents through each component.

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