circuits and electric current mcqs

What is Electrical circuit Electrical circuit is an interconnection of electrical components. An electrical circuit consists of batteries, resistors, inductors,

01. The measure of rate of flow of electric charge through an electrical conductor is known as A. electric current

11. Two or more cells when connected in series make a A. battery B. circuit C. terminal D. resistor Answer

21. The phosphors for which of the following pair are 180° out of phase for VL, VC and VR? A.

31. The safest value of current the human body can carry for more than 3 second is A. 4 mA

41. The effective resistance of an iron-cored choke working on ordinary supply frequency is more than its true resistance because

51. The series and parallel resonance on L-C circuit’ differs in that A. Series resistance needs a low-resistance source for

61. The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive

71. For the same peak value, which of the following wave has the least mean value? A. Half wave rectified

81. In a series L-C circuit at the resonant frequency the A. Current is maximum B. Current is minimum C.