Electric Circuits A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star? 27∠30o Ω 30∠30o Ω. None of these 3∠30o Ω. 27∠30o Ω 30∠30o Ω. None of these 3∠30o Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 4.123 V. 5 V. {3 + 2(1.141)} V. 7 V. 4.123 V. 5 V. {3 + 2(1.141)} V. 7 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The ratio of intensity of magnetisation to the magnetising force is known as susceptibility. none of above. relative permeability. flux density. susceptibility. none of above. relative permeability. flux density. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The phase angle of current in respect of supply voltage will be 20.2o. 28.8o. 32.1o. 40.4o. 20.2o. 28.8o. 32.1o. 40.4o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The internal resistance of lead acid cell is _______________ that of Edison cell. more than. less than. none of above. equal to. more than. less than. none of above. equal to. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The power dissipated in a pure capacitor is proportional to applied voltage. proportional to the value of capacitance. both (B) and (C) above. zero. proportional to applied voltage. proportional to the value of capacitance. both (B) and (C) above. zero. ANSWER DOWNLOAD EXAMIANS APP
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