🎴 Flashcard Mode

Domestic and commercial circuit - class-X

Card1 / 89
Mastered0
Review0
QuestionClick to flip

Alternating current can not be measured by $D.C$. ammeter because 

AnswerClick to flip back
A
average value of current for complete cycle is zero
💡 Explanation:

While for half-circle, the value of current is different at different points and for complete cycle its average value is zero.

So, we can't measure current by $D.C$ ammeter .

Change Mode