Question

How would the reading of the voltmeter change if it is connected between B and C in the circuit shown below ?

circuit in link below

http://www.filedropper.com/capture_5

Answer 1

The resistors are connected in series combo so the current passing through each of them is same (0.5 A). For constant current, \(\sf V \propto R\). So the voltage between BC is greater than AB.
\(\therefore\) Reading of the voltmeter will increase.

Answer 2

Thank you very much Abhisar

Answer 3

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