Electric Circuits A current of 4 A flows in an ac circuit when 100 V dc is applied to it whereas it takes 250 v ac to produce the same current the power factor of the circuit is 10. 1. 0.4. 0.85. 10. 1. 0.4. 0.85. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current is said to be alternating when it changes in magnitude. direction. none of these. both ‘a’ and ‘b’. magnitude. direction. none of these. both ‘a’ and ‘b’. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For symmetrical wave form average value of one full cycle is 2.22 1 1.11 0 2.22 1 1.11 0 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits One ampere hour charge is equivalent to 36 coulombs. 3600 coulombs. 360 coulombs. 36000 coulombs. 36 coulombs. 3600 coulombs. 360 coulombs. 36000 coulombs. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a lead acid cell PbSO4 formed during charging only. neither during charging nor discharging. discharging only. both during charging as well as discharging. charging only. neither during charging nor discharging. discharging only. both during charging as well as discharging. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three capacitors each of capacity C are given. The resultant capacity (2/3) C can obtained by using them two in series and third in parallel across this combination. all in parallel. two in parallel and third in series with this combination. all in series. two in series and third in parallel across this combination. all in parallel. two in parallel and third in series with this combination. all in series. ANSWER DOWNLOAD EXAMIANS APP