AC Fundamentals, Circuit and Circuit Theory The power consumed in a circuit element will be least when the phase difference between the current and voltage is 30° 60° 90° 180° 30° 60° 90° 180° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The equation of 50 Hz current sine wave having r.m.s. value of 60 A is 42.42 sin 314 t 60 sin 50 t 60 sin 25 t 84.84 sin 3141 42.42 sin 314 t 60 sin 50 t 60 sin 25 t 84.84 sin 3141 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The period of a sine wave is ___________ seconds. Its frequency is 40 Hz 50 Hz 30 Hz 20 Hz 40 Hz 50 Hz 30 Hz 20 Hz ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following circuit component opposes the change in the circuit voltage ? Capacitance Inductance Conductance Resistance Capacitance Inductance Conductance Resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory When an alternating current passes through an ohmic resistance the electrical power converted into heat is Reactive power Apparent power Active power None of the listed here Reactive power Apparent power Active power None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The ratio of active power to apparent power is known as factor. Form Power Load Demand Form Power Load Demand ANSWER DOWNLOAD EXAMIANS APP
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