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 A current is said to be alternating when it changes in magnitude. none of these. both ‘a’ and ‘b’. direction. magnitude. none of these. both ‘a’ and ‘b’. direction. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits During electroplating the weight of substance deposited depends on quantity of electricity. atmospheric humidity. shape of article. room temperature. quantity of electricity. atmospheric humidity. shape of article. room temperature. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Lowest current density is generally recommended for plating of silver. bronze. cadmium. chromium. silver. bronze. cadmium. chromium. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A positive and a negative charged conductor are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be 10 times greater than before. 5 times smaller than before. 25 times larger than before. 5 times greater than before. 10 times greater than before. 5 times smaller than before. 25 times larger than before. 5 times greater than before. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The charge of an electron is - 1.672 × 10 - 27 Coulombs. - 1.675 × 10 - 27 Coulombs. - 9.109 × 10 - 31 Coulombs. - 1.602 × 10 - 19 Coulombs. - 1.672 × 10 - 27 Coulombs. - 1.675 × 10 - 27 Coulombs. - 9.109 × 10 - 31 Coulombs. - 1.602 × 10 - 19 Coulombs. ANSWER DOWNLOAD EXAMIANS APP
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