## 21. All the rules and laws of D.C. circuit also apply to A.C. circuit containing

## 22. The equation of 50 Hz current sine wave having r.m.s. value of 60 A is

## 23. In a pure inductive circuit if the supply frequency is reduced to 1/2, the current will

## 24. In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will

## 25. A sine wave has a frequency of 50 Hz. Its angular frequency is __________ radian/second.

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