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Series-Parallel Circuits - Technical MCQs

Q1:

When a Wheatstone bridge is in a balanced condition, the center voltmeter in the bridge will read:

A twice the source voltage

B the same as the source voltage

C zero volts

D half the source voltage

ANS:C - zero volts

My comments is - since the wheatstone bridge in balanced form, so there is no potential difference between them. So voltmeter reads zero volt.