AC Fundamentals, Circuit and Circuit Theory The square waveform of current has following relation between r.m.s. value and average value. r.m.s. value of current is less than average value r.m.s. value of current is greater than average value None of these r.m.s. value is equal to average value r.m.s. value of current is less than average value r.m.s. value of current is greater than average value None of these r.m.s. value is equal to average value 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 double the frequency A sinusoid of half the original frequency A sinusoid of the same frequency None of the listed here A sinusoid of double the frequency A sinusoid of half the original frequency A sinusoid of the same frequency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of alternating current is given by steady (D.C.) current which when flowing through a given circuit for a given time produces The same heat as produced by A.C. when flowing through the same circuit None of these The less heat than produced by A.C. flowing through the same circuit The more heat than produced by A.C. when flowing through the same circuit The same heat as produced by A.C. when flowing through the same circuit None of these The less heat than produced by A.C. flowing through the same circuit The more heat than produced by A.C. when flowing through the same circuit ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a R-L-C circuit Exchange of power takes place between inductor and supply line Power is consumed in resistance and is equal to IR Exchange of power takes place between capacitor and supply line All of the listed here Exchange of power takes place between inductor and supply line Power is consumed in resistance and is equal to IR Exchange of power takes place between capacitor and supply line All of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In the case of an unsymmetrical alternating current the average value must always be taken over The quarter cycle The whole cycle The half cycle Unsymmetrical part of the wave form The quarter cycle The whole cycle The half cycle Unsymmetrical part of the wave form ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory If a sinusoidal wave has frequency of 50 Hz with 30 A r.m.s. current which of the following equation represents this wave? 60 sin 25 t 84.84 sin 25 t 42.42 sin 314 t 30 sin 50 t 60 sin 25 t 84.84 sin 25 t 42.42 sin 314 t 30 sin 50 t ANSWER DOWNLOAD EXAMIANS APP
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