AC Fundamentals, Circuit and Circuit Theory Time constant of a capacitive circuit Increases with the increase of capacitance and decrease of resistance Increases with the decrease of capacitance and increase of resistance Increases with the decrease of capacitance and decrease of resistance Increase with increase of capacitance and increase of resistance Increases with the increase of capacitance and decrease of resistance Increases with the decrease of capacitance and increase of resistance Increases with the decrease of capacitance and decrease of resistance Increase with increase of capacitance and increase of resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The voltage of domestic supply is 220 V. This figure represents Peak value Mean value R.m.s. value Average value Peak value Mean value R.m.s. value Average value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Poor power factor Reduces load handling capability of electrical system All of the listed here Overloads alternators, transformers and distribution lines Results in more power losses in the electrical system Reduces load handling capability of electrical system All of the listed here Overloads alternators, transformers and distribution lines Results in more power losses in the electrical system ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The period of a sine wave is ___________ seconds. Its frequency is 20 Hz 40 Hz 50 Hz 30 Hz 20 Hz 40 Hz 50 Hz 30 Hz ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of half wave rectified sine wave is 200 V. The r.m.s. value of full wave rectified AC. will be 111 V 100 V 282.8 V 141.4 V 111 V 100 V 282.8 V 141.4 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory If two sinusoids of the same frequency but of different amplitudes and phase angles are subtracted, the resultant is None of the listed here A sinusoid of half the original frequency A sinusoid of double the frequency A sinusoid of the same frequency None of the listed here A sinusoid of half the original frequency A sinusoid of double the frequency A sinusoid of the same frequency ANSWER DOWNLOAD EXAMIANS APP
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