Electric Circuits What is called the frequency in AC operation? No. of cycles made per second. No. of (-) ve quadrature made per second. No. of (+) ve quadrature made per second. No. of wave made per second. No. of cycles made per second. No. of (-) ve quadrature made per second. No. of (+) ve quadrature made per second. No. of wave made per second. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are 40 Ω and 200 Ω. 25 Ω and 5 Ω. 40 Ω and 40 Ω. 50 Ω and 200 Ω. 40 Ω and 200 Ω. 25 Ω and 5 Ω. 40 Ω and 40 Ω. 50 Ω and 200 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the resultant current in a wire which carries a DC current of 10A and a sinusoidal current of peak value 20A is 22.4A. 14.14A. 30A. 17.3A . 22.4A. 14.14A. 30A. 17.3A . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Current source has internal impedance connected in parallel with it whereas voltage source has internal impedance connected in __________________ with it. parallel both of above series none of them parallel both of above series none of them ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which braking back emf exceeds supply voltage? None of these. Regenerative. Dynamic. Plugging. None of these. Regenerative. Dynamic. Plugging. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The ratio of intensity of magnetisation to the magnetising force is known as susceptibility. flux density. relative permeability. none of above. susceptibility. flux density. relative permeability. none of above. ANSWER DOWNLOAD EXAMIANS APP
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