Electric Circuits Which of the following materials has highest electrical conductivity ? Steel. Aluminium. Silver. Copper. Steel. Aluminium. Silver. Copper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits At which of the following frequency voltage across capacitor has maximum value for series circuit ? Zero frequency Greater than resonance frequency Equal to resonance frequency Less than resonance frequency Zero frequency Greater than resonance frequency Equal to resonance frequency Less than resonance frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor, the electrical energy is stored in magnetic field. none of above. electric field. both ‘electric field’ and magnetic field’. magnetic field. none of above. electric field. both ‘electric field’ and magnetic field’. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC series circuit R = 2Ω, L = 2mH and C = 1μF. Find the time constant of the circuit? 1 μsec 4 msec 2 msec 2 μsec 1 μsec 4 msec 2 msec 2 μsec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor? 1. 0.577. 0.5. 0.866. 1. 0.577. 0.5. 0.866. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The time required for a pulse to change from 10 % to 90 % of its maximum value is known as rise time. fall time. decay time. run time. rise time. fall time. decay time. run time. ANSWER DOWNLOAD EXAMIANS APP
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