Electric Circuits Addition of which of the following substance in electrolyte helps in producing bright finish? Any of above. Dextrol. Glycerine. Phenol. Any of above. Dextrol. Glycerine. Phenol. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 7 V. {3 + 2(1.141)} V. 5 V. 4.123 V. 7 V. {3 + 2(1.141)} V. 5 V. 4.123 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistance of which material does not change with change in temperature? Platinum. Brass. Metal alloys constantan and manganin. Tungsten. Platinum. Brass. Metal alloys constantan and manganin. Tungsten. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 3 – φ delta connected symmetrical load consumes P Watts of power from a balanced supply. If the same load is connected in star to the same supply then what is the power consumption? P. 3P. √3P. P/3. P. 3P. √3P. P/3. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 50 μF capacitor is charged to retain 10 MJ of energy by a constant charging current of 1 A. Determine the voltages across the capacitor? 20 V. 60 V. 50 V. 30 V. 20 V. 60 V. 50 V. 30 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will increase. decrease. remains unchanged. becomes zero. increase. decrease. remains unchanged. becomes zero. ANSWER DOWNLOAD EXAMIANS APP
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