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when is a voltmeter placed in series with the external resistance in a circuit for measuring the external resistance

Abhishekh kumar sharma , 12 Years ago
Grade 11
anser 1 Answers
Akash Kumar Dutta

Dear Abhishekh,

The Voltmeter has a very high resistance which makes very less current pass through the circuit.the current can be measured by the ammeter.
the External Resistance can be calculated by=>R=(EMF - VOLTAGE CALCULATED BY VOLTMETER).(CURRENT)
(ANS)

Regards

Last Activity: 12 Years ago
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