Electric Circuits What is the SI unit of electric current ? Faraday. None of these Ohm. Ampere. Faraday. None of these Ohm. Ampere. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be 66.66. 76.66. 40.25. 36.36. 66.66. 76.66. 40.25. 36.36. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true? The current through each bulb is same. The power dissipation in each bulb is not same. None of these The voltage across each bulb is not same. The current through each bulb is same. The power dissipation in each bulb is not same. None of these The voltage across each bulb is not same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which battery is used in aeroplanes? None of them. Dry cell battery. Edission cell. Lead acid battery. None of them. Dry cell battery. Edission cell. Lead acid battery. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is constant, then shape of the current locus is circle. semi circle. straight line. triangle. circle. semi circle. straight line. triangle. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If one cycle of AC waveform occurs every millisecond, the frequency will be 100 Hz. 1000 Hz. 10 kHz. 50 Hz. 100 Hz. 1000 Hz. 10 kHz. 50 Hz. ANSWER DOWNLOAD EXAMIANS APP