Electric Circuits An equipotential surface is one which has all points at _____________ potential. zero. different. same. none of them. zero. different. same. none of them. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest? 1 Hz. 10 Hz. 1000 Hz. 100 Hz. 1 Hz. 10 Hz. 1000 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A star connected load has three equal impedance each of (40 + j30) Ω If the line current is 5 A then value of line voltage is 200 V. 250 √3 V. 250 V. 250 / √3 V. 200 V. 250 √3 V. 250 V. 250 / √3 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is meant by the rate of flow of an electric charge? Electric potential. None of these Electric resistance. Electric current. Electric potential. None of these Electric resistance. Electric current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Kirchhoff’s current law is used for representing a current source. finding equivalent resistance. nodal analysis. loop analysis. representing a current source. finding equivalent resistance. nodal analysis. loop analysis. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In delta connected circuit when one resistor is open, then power will be reduced by the factor of 3. 0. increased by factor of 3. remain unchanged. reduced by the factor of 3. 0. increased by factor of 3. remain unchanged. ANSWER DOWNLOAD EXAMIANS APP