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Measurements and Instrumentation

Q1:

Which of the following is true about an impulse voltage?

A It is a unidirectional voltage

B Chopped impulse flashover does not occur

C Time taken to rise is equal to time taken to fall

D RMS value is always less than 50% of average value

ANS:A - It is a unidirectional voltage

Impulse is unidirectional (either positive or negative).



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