Electric Circuits The frequency of EMF generated by a generator depends upon its both speed and number of poles. nature of supply. speed. number of poles. both speed and number of poles. nature of supply. speed. number of poles. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is apparent power in AC operation? Product of rms voltage and rms current. Product of voltage and current. Product of voltage and current at no load. Product of voltage and current at full load. Product of rms voltage and rms current. Product of voltage and current. Product of voltage and current at no load. Product of voltage and current at full load. ANSWER DOWNLOAD EXAMIANS APP
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. remain constant. increase. decrease. none of these. remain constant. increase. decrease. 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 1 μsec 4 msec 2 msec 2 μsec 1 μsec 4 msec 2 msec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is 500 pF. 125 pF. 250 pF. 1000 pF. 500 pF. 125 pF. 250 pF. 1000 pF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Disadvantages of constant k type filter attenuation does not increase rapidly beyond cut off frequency. none of these. both A and B. characteristic impedance unchanged in pass band. attenuation does not increase rapidly beyond cut off frequency. none of these. both A and B. characteristic impedance unchanged in pass band. ANSWER DOWNLOAD EXAMIANS APP
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