Going right round any closed loop, the voltage changes add up to:

Question

Accepted Answer

D. Zero

1. You return to the point you started from.
2. The potential there cannot have changed.
3. So the sum is zero.
_Source: OpenStax University Physics Volume 2, Chapter 10, Direct-Current Circuits._

Answer

Nine

Answer

Four

Answer

Fifty

Going right round any closed loop, the voltage changes add up to:

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