Hamad Alternating Current 09/11/2021 A. Same B. Different C. At L will be more than at C D. At L will be less than at C Related Mcqs: Electromagnetic waves emitted from antenna are________________?A. Stationary B. Longitudinal C. Transverse D. All the above... A capacitor of capacitance 30µF is charged by a constant current of 10mA. If initially, the capacitor was uncharged what is the time taken for the potential difference across the capacitor to reach 300V ?A. 0.9sec B. 15 sec C. 1.5x105sec D. 0.9x102sec... To find the r.m.s value of an alternating current mathematically we need to have ________________?A. Mean value of I2 B. Square root of mean value of I2 C. Square root of I2 D. Square of 1/2... A 10Ω electric heater is connected to a 220V 50Hz mains supply. What is the peak value of the potential difference across the heater element ?A. 220V B. 220/ 2V C. 110V D. 220 √2V... A choke is used as a resistance in_________________?A. DC circuit B. AC circuits C. Both AC and DC circuit D. Full wave rectifier circuit...
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