A design calculation predicts 9 volts of drop on a 240-volt circuit. What percentage drop is that?

NASCLA Electrical exam practice question · Project Design & Management

A design calculation predicts 9 volts of drop on a 240-volt circuit. What percentage drop is that?

A2.50%
B3.25%
3.75%
D4.50%

Why C is correct

Divide drop by source voltage and multiply by 100: 9 V ÷ 240 V × 100 = 3.75%. This percentage can then be compared with the project's design criterion.

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A design calculation predicts 9 volts of drop on a 240-volt circuit. What percentage drop is that?

A design calculation predicts 9 volts of drop on a 240-volt circuit. What percentage drop is that?

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