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 22.4A. 14.14A. 30A. 17.3A . 22.4A. 14.14A. 30A. 17.3A . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be 40.25. 66.66. 36.36. 76.66. 40.25. 66.66. 36.36. 76.66. 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
Electric Circuits If L and C both are doubled than damping in above circuit will be doubled as compared to previous one. remains same. None of these halved as compared to previous one. doubled as compared to previous one. remains same. None of these halved as compared to previous one. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits During charging, the electrolyte of a lead acid battery becomes weaker. stronger. diluted with water. there is no change in electrolyte. weaker. stronger. diluted with water. there is no change in electrolyte. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest? 1000 Hz. 100 Hz. 10 Hz. 1 Hz. 1000 Hz. 100 Hz. 10 Hz. 1 Hz. ANSWER DOWNLOAD EXAMIANS APP
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