With no current flowing, the emf of a source equals the work done on the charge per unit:
ASecond
BCharge
CMetre
DKelvin
Answer & Solution
Correct answer: B. Charge
1. Work is divided by something.
2. The result is measured in volts.
3. It is per unit charge.
_Source: OpenStax University Physics Volume 2, Chapter 10, Direct-Current Circuits._
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