AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit The current can lead or lag by 90° The current lags behind the voltage by 90° The current leads the voltage by 90° The current is in phase with the voltage The current can lead or lag by 90° The current lags behind the voltage by 90° The current leads the voltage by 90° The current is in phase with the voltage ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that Both waves must have same frequency Both waves must have identical peak values Both waves must have zero value at the same time None of the listed here Both waves must have same frequency Both waves must have identical peak values Both waves must have zero value at the same time None of the listed here 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 maximum value of current at resonance Will change the impedance at resonance frequency Will increase the selectivity of the circuit Will change the resonance frequency Will change the maximum value of current at resonance Will change the impedance at resonance frequency Will increase the selectivity of the circuit ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following refers to a parallel circuit? The equivalent resistance is greater than any one of the resistors The current through any one element is less than the source current The voltage across element is in proportion to it's resistance value The current through each element is same The equivalent resistance is greater than any one of the resistors The current through any one element is less than the source current The voltage across element is in proportion to it's resistance value The current through each element is same 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, None of the listed here Both resistance and inductance carry equal currents The current through the resistance is less The current through the resistance is more None of the listed here Both resistance and inductance carry equal currents The current through the resistance is less The current through the resistance is more ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For the same peak value, which of the following wave has the least mean value? Half wave rectified sine wave Sine wave Square wave Triangular wave Half wave rectified sine wave Sine wave Square wave Triangular wave ANSWER DOWNLOAD EXAMIANS APP