Electric Circuits At which of the following frequency voltage across capacitor has maximum value for series circuit ? Greater than resonance frequency Zero frequency Less than resonance frequency Equal to resonance frequency Greater than resonance frequency Zero frequency Less than resonance frequency Equal to resonance frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value? (4 + j3) pu (2 + j4) pu (3 + j4) pu (4 + j2 ) pu (4 + j3) pu (2 + j4) pu (3 + j4) pu (4 + j2 ) pu ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An equipotential surface is one which has all points at _____________ potential. none of them. different. zero. same. none of them. different. zero. same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When the internal resistance of a cell is large compared to the external resistance in the circuit then high current can flow through the external resistance by grouping the cells as in series. in either series or parallel. in parallel. mixed. as in series. in either series or parallel. in parallel. mixed. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC series circuit R = 2Ω, L = 2mH and C = 1μF. Find the time constant of the circuit? 2 μsec 4 msec 2 msec 1 μsec 2 μsec 4 msec 2 msec 1 μsec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be 30 mA. 3 A. 300 mA. 100 mA. 30 mA. 3 A. 300 mA. 100 mA. ANSWER DOWNLOAD EXAMIANS APP