Electric Circuits In a capacitor, the electrical energy is stored in magnetic field. both ‘electric field’ and magnetic field’. electric field. none of above. magnetic field. both ‘electric field’ and magnetic field’. electric field. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A star connected load has three equal impedance each of (40 + j30) Ω If the line current is 5 A then value of line voltage is 250 / √3 V. 200 V. 250 V. 250 √3 V. 250 / √3 V. 200 V. 250 V. 250 √3 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following is the unit of magnetic flux density? Tesla. Daraf. Weber. Lumens. Tesla. Daraf. Weber. Lumens. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electric field intensity ( E ) at any point in an electric field is equal to ( potential gradient )1/2. ( potential gradient )1/3. potential gradient. ( potential gradient )2. ( potential gradient )1/2. ( potential gradient )1/3. potential gradient. ( potential gradient )2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 10 Hz. 1 Hz. 100 Hz. 1000 Hz. 10 Hz. 1 Hz. 100 Hz. 1000 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What will be the rms value of rectangular wave with amplitude 10 V? 11.2 V. 10 V. 7.7 V. 5√2 V. 11.2 V. 10 V. 7.7 V. 5√2 V. ANSWER DOWNLOAD EXAMIANS APP
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