Electric Circuits A capacitor is connected to supply with switch and the switch is connected between capacitor and supply. Initially switch is open at time zero, and then switch is closed. Then how capacitor behaves at time t = 0+? dielectric losses decreases. open circuit. short circuit. dielectric losses increases. dielectric losses decreases. open circuit. short circuit. dielectric losses increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Dependent source of current and voltage are those which have All of these unidirectional characteristic. independent of any other network variable. output dependent on input. All of these unidirectional characteristic. independent of any other network variable. output dependent on input. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA. 400 130 250 900 400 130 250 900 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Addition of which of the following substance in electrolyte helps in producing bright finish? Dextrol. Phenol. Any of above. Glycerine. Dextrol. Phenol. Any of above. Glycerine. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If P is the power of a star connected system then what will be power of an equivalent delta connected system? None of these P 3P P/3 None of these P 3P P/3 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The frequency of EMF generated by a generator depends upon its speed. both speed and number of poles. number of poles. nature of supply. speed. both speed and number of poles. number of poles. nature of supply. ANSWER DOWNLOAD EXAMIANS APP
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