Electric Circuits The time required for a pulse to change from 10 % to 90 % of its maximum value is known as fall time. run time. rise time. decay time. fall time. run time. rise time. decay time. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called the frequency in AC operation? No. of wave made per second. No. of (-) ve quadrature made per second. No. of (+) ve quadrature made per second. No. of cycles made per second. No. of wave made per second. No. of (-) ve quadrature made per second. No. of (+) ve quadrature made per second. No. of cycles made per second. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Phase voltages of a star connected alternator are ER = 240∠0o V, EY = 240∠-120o V and EB = 240∠ + 120o V. What is the phase sequence of the system? BYR. RYB. RBY. YBR. BYR. RYB. RBY. YBR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the SI unit of electric current ? Faraday. None of these Ohm. Ampere. Faraday. None of these Ohm. Ampere. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the real power in AC operation? Apperant power × cosφ. None of these. VIcosφ. Both option A and B. Apperant power × cosφ. None of these. VIcosφ. Both option A and B. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor is charged by a constant 10 mA current sources which is turned on for 1 second. Assuming the capacitor is initially charge free; determine the charge delivered to and the power supplied by the source if the capacitor has a value of 1 mF. 0.1C, 10MW. 0.01C, 10MW. 0.1C, 100MW. 0.01C and 5W. 0.1C, 10MW. 0.01C, 10MW. 0.1C, 100MW. 0.01C and 5W. ANSWER DOWNLOAD EXAMIANS APP
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