Electric Circuits The time required for a pulse to change from 10 % to 90 % of its maximum value is known as fall time. decay time. run time. rise time. fall time. decay time. run time. rise time. 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 What will be the capacitance when distance between the 2 plates of a condenser of capacitance 8 micro farad is reduced from 10 mm to 4 mm? 3.2 microfarad. 8 microfarad. 20 microfarad. 1 microfarad. 3.2 microfarad. 8 microfarad. 20 microfarad. 1 microfarad. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series RLC circuit what is the power factor just bellow the resonance frequency? Leading Lagging Unity Zero Leading Lagging Unity Zero ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The average value of half wave rectified sinusoidal current waveform, whose maximum value is 1A is 1 A. 0.318 A. 0.5 A. 0.637 A. 1 A. 0.318 A. 0.5 A. 0.637 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star? 27∠30o Ω None of these 30∠30o Ω. 3∠30o Ω. 27∠30o Ω None of these 30∠30o Ω. 3∠30o Ω. ANSWER DOWNLOAD EXAMIANS APP
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