AC Fundamentals, Circuit and Circuit Theory For the same peak value, which of the following wave has the least mean value? Square wave Triangular wave Half wave rectified sine wave Sine wave Square wave Triangular wave Half wave rectified sine wave Sine wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an electrical circuit is equal to Cosine of phase angle difference between current and voltage all of these Ratio of useful current to total current Iw/I R/Z Cosine of phase angle difference between current and voltage all of these Ratio of useful current to total current Iw/I R/Z ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory An A.C. voltage is impressed across a pure resistance of 3.5 ohms in parallel with a pure inductance of impedance of 3.5 ohms, The current through the resistance is more The current through the resistance is less Both resistance and inductance carry equal currents None of the listed here The current through the resistance is more The current through the resistance is less Both resistance and inductance carry equal currents None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a series L-C circuit at the resonant frequency the Impedance is maximum Voltage across C is minimum Current is minimum Current is maximum Impedance is maximum Voltage across C is minimum Current is minimum Current is maximum ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In an AC. circuit, a low value of kVAR compared with kW indicates High power factor Low efficiency Unity power factor Maximum load current High power factor Low efficiency Unity power factor Maximum load current ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The peak value of a sine wave is 200 V. Its average value is 282.8 V 200 V 127.4 V 141.4 V 282.8 V 200 V 127.4 V 141.4 V ANSWER DOWNLOAD EXAMIANS APP
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