Electric Circuits VRN, VYN and VBN are three phase voltage of a balanced three phase system. If VRN = 200∠30o V and VBN = 200∠- 90o V, then phase sequence of the system is RYB. YRB. RBY. BRY. RYB. YRB. RBY. BRY. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is time period T? Time taken by an alternating quantity to complete the (+)ve half. Time taken by an alternating quantity to complete one full cycle. Time taken by an alternating quantity to reach the peak value. Time taken by an alternating quantity to complete the (-)ve half. Time taken by an alternating quantity to complete the (+)ve half. Time taken by an alternating quantity to complete one full cycle. Time taken by an alternating quantity to reach the peak value. Time taken by an alternating quantity to complete the (-)ve half. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor is connected to supply with switch and the switch is connected between capacitor and supply. Initially switch is open at time zero, and then switch is closed. Then how capacitor behaves at time t = 0+? dielectric losses increases. open circuit. dielectric losses decreases. short circuit. dielectric losses increases. open circuit. dielectric losses decreases. short circuit. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A p.d. of 300 V is applied across series combination of 3 μF and 9 μF capacitors. The charge on each capacitor is ___________________ μC. 240. 3600. 7.5. 675. 240. 3600. 7.5. 675. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In above question, if circuit efficiency is 90 %. What will be output power ? 30 kW. 37.3 kW. 35.6 kW. 40 kW. 30 kW. 37.3 kW. 35.6 kW. 40 kW. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The time required for a pulse to change from 10 % to 90 % of its maximum value is known as rise time. run time. decay time. fall time. rise time. run time. decay time. fall time. ANSWER DOWNLOAD EXAMIANS APP
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