Electric Circuits The rms value of the resultant current in a wire which carries a DC current of 10A and a sinusoidal current of peak value 20A is 30A. 22.4A. 14.14A. 17.3A . 30A. 22.4A. 14.14A. 17.3A . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the value of C? 8.51 µF. 4.78 µF. 10.54 µF. 1.8 µF. 8.51 µF. 4.78 µF. 10.54 µF. 1.8 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of sine wave is 100 A. Its peak value is 141.4 A. 150 A. 70.7 A. 282.8 A. 141.4 A. 150 A. 70.7 A. 282.8 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If L and C both are doubled than damping in above circuit will be halved as compared to previous one. None of these remains same. doubled as compared to previous one. halved as compared to previous one. None of these remains same. doubled as compared to previous one. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of each of them increases. each of them decreases. copper increases and germanium decreases. copper decreases and germanium increases. each of them increases. each of them decreases. copper increases and germanium decreases. copper decreases and germanium increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A ceramic and a mica capacitor have the same physical dimension. Which has the higher value of capacitance? Ceramic capacitor. It is impossible to conclude on the basis of information supplied. Both have identical value of capacitor. Mica capacitor. Ceramic capacitor. It is impossible to conclude on the basis of information supplied. Both have identical value of capacitor. Mica capacitor. ANSWER DOWNLOAD EXAMIANS APP
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