Electric Circuits When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of heater will none of these. decrease. increase. remain constant. none of these. decrease. increase. remain constant. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A battery of E Volts is supplying a steady current to a series circuit of total resistance RΩ and inductance L Henry. A part R1 of the total resistance is suddenly short circuited. Find the expression for current flowing through the battery subsequent to the operation. i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} i = {E / R1 - R)}(1- e - (R1 - R) t / L) None of these i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} i = {E / R1 - R)}(1- e - (R1 - R) t / L) None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Current magnification will occur in which of the following case? None of these Both Parallel resonance Series resonance None of these Both Parallel resonance Series resonance ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Unit of apparent power is Watts. KWhr. VAR. VA. Watts. KWhr. VAR. VA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Basic cut set matrix consists of one branch. 2 branch. no branches. any number of branches. one branch. 2 branch. no branches. any number of branches. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is referred as the average value in AC opearation? Average of all values of the (+)ve and (-)ve half. Average of all values of the phase sequences. Average of all values of an alternating quantity. Average of all values of an alternating quantity over a complete cycle. Average of all values of the (+)ve and (-)ve half. Average of all values of the phase sequences. Average of all values of an alternating quantity. Average of all values of an alternating quantity over a complete cycle. ANSWER DOWNLOAD EXAMIANS APP
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