AC Fundamentals, Circuit and Circuit Theory In a highly capacitive circuit the Apparent power is equal to the actual power Reactive power is more than the apparent power Actual power is more than its reactive power Reactive power is more than the actual power Apparent power is equal to the actual power Reactive power is more than the apparent power Actual power is more than its reactive power Reactive power is more than the actual power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of pure cosine function is 0.707 of peak value 0.5 of peak value Same as peak value Zero 0.707 of peak value 0.5 of peak value Same as peak value Zero ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In series resonant circuit, increasing inductance to its twice value and reducing capacitance to its half value Will change the resonance frequency Will change the impedance at resonance frequency Will increase the selectivity of the circuit Will change the maximum value of current at resonance Will change the resonance frequency Will change the impedance at resonance frequency Will increase the selectivity of the circuit Will change the maximum value of current at resonance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The voltage of domestic supply is 220 V. This figure represents R.m.s. value Mean value Peak value Average value R.m.s. value Mean value Peak value Average value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will Be reduced to one fourth Be four times at high Be doubled Be reduced by half Be reduced to one fourth Be four times at high Be doubled Be reduced by half ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The period of a sine wave is ___________ seconds. Its frequency is 40 Hz 20 Hz 50 Hz 30 Hz 40 Hz 20 Hz 50 Hz 30 Hz ANSWER DOWNLOAD EXAMIANS APP