Electric Circuits Which of the following has positive temperature coefficient ? Paper. Germanium. Rubber. Gold. Paper. Germanium. Rubber. Gold. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor? 0.5. 0.577. 0.866. 1. 0.5. 0.577. 0.866. 1. 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? 60 V. 20 V. 50 V. 30 V. 60 V. 20 V. 50 V. 30 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The frequency of EMF generated by a generator depends upon its speed. both speed and number of poles. nature of supply. number of poles. speed. both speed and number of poles. nature of supply. number of poles. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An electric field line and an equipotential surface are always parallel. none of above. always perpendicular. inclined at any angle. always parallel. none of above. always perpendicular. inclined at any angle. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two identical resistors are first connected in parallel then in series. The ratio of resultant resistance of the first combination to the second will be 0.25. 4. 0.5. 2. 0.25. 4. 0.5. 2. ANSWER DOWNLOAD EXAMIANS APP
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