Electric Circuits Ceq of two capacitors connected in series is given by C1C2. C1 + C2. C1 C2 / (C1 + C2). C1 = C2. C1C2. C1 + C2. C1 C2 / (C1 + C2). C1 = C2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following lamp has least resistance ? 25 W, 220 V. 200 W, 220 V. 60 W, 220 V. 100 W, 220 V. 25 W, 220 V. 200 W, 220 V. 60 W, 220 V. 100 W, 220 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become R. 0.5R. 4R. 2R. R. 0.5R. 4R. 2R. 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 decreases. short circuit. open circuit. dielectric losses increases. dielectric losses decreases. short circuit. open circuit. dielectric losses increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor, the electrical energy is stored in electric field. magnetic field. both ‘electric field’ and magnetic field’. none of above. electric field. magnetic field. both ‘electric field’ and magnetic field’. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Fall time is the time required for a pulse to decrease from 90 to ________% if its maximum values 5 10 15 20 5 10 15 20 ANSWER DOWNLOAD EXAMIANS APP
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