Electric Circuits A capacitor having a mica dielectric εR = 6, a plate area of a 10 inches2 and a separation 0.01 inch. Find the value of C 1.349 μF. 0 F. 1.349 F. 1.349 nF. 1.349 μF. 0 F. 1.349 F. 1.349 nF. 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? 1000 Hz. 10 Hz. 100 Hz. 1 Hz. 1000 Hz. 10 Hz. 100 Hz. 1 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 100 μF capacitor supplied from 3 V source with a frequency of 50 Hz. The capacitive reactance is 63.68 Ω. 15.92 Ω. 7.96 Ω. 31.84 Ω. 63.68 Ω. 15.92 Ω. 7.96 Ω. 31.84 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre? 6.24. 3.12. 1.56. 0.020. 6.24. 3.12. 1.56. 0.020. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The power dissipated in a pure capacitor is zero. both (B) and (C) above. proportional to the value of capacitance. proportional to applied voltage. zero. both (B) and (C) above. proportional to the value of capacitance. proportional to applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The life of a lead acid battery is expected to be 6 months. 1 year. 2 to 5 years. 10 to 15 years. 6 months. 1 year. 2 to 5 years. 10 to 15 years. ANSWER DOWNLOAD EXAMIANS APP
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