Electric Circuits Energy efficiency during electroplating is usually in the range 90 to 99%. 85 to 90%. 50 to 80%. 80 to 85%. 90 to 99%. 85 to 90%. 50 to 80%. 80 to 85%. 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 run time. decay time. fall time. rise time. run time. decay time. fall time. rise time. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor carries a charge of 0.3 C at 20 V. Its capacitance is 0.015 F. 1.5 F. 15 μF. 1.5 μF. 0.015 F. 1.5 F. 15 μF. 1.5 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC parallel network R = 2 Ohm, L = 2mH and C = 1μF. Find the value of time constant? 2 μsec 2 msec 4 msec 4 μsec 2 μsec 2 msec 4 msec 4 μsec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor, the electrical energy is stored in electric field. both ‘electric field’ and magnetic field’. magnetic field. none of above. electric field. both ‘electric field’ and magnetic field’. magnetic field. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) {3 + 2(1.141)} V. 4.123 V. 5 V. 7 V. {3 + 2(1.141)} V. 4.123 V. 5 V. 7 V. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS