Electric Circuits The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor? 0.5. 1. 0.577. 0.866. 0.5. 1. 0.577. 0.866. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is represented by the hypotenuse of impedance triangle? Impedance drop. Resistance drop. Apparent power. Reactance drop. Impedance drop. Resistance drop. Apparent power. Reactance drop. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – F εr. εr/F. 0. F. F εr. εr/F. 0. F. 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 voltage across each bulb is not same. The power dissipation in each bulb is not same. None of these The current through each bulb is same. The voltage across each bulb is not same. The power dissipation in each bulb is not same. None of these The current through each bulb is same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the mass number of an element that has 19 protons, 19 electrons, and 20 neutrons? 39. 20. 19. 38. 39. 20. 19. 38. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electric flux is proportional to resistivity of medium. potential difference between electrodes. rate of change of current. rate of change of potential difference. resistivity of medium. potential difference between electrodes. rate of change of current. rate of change of potential difference. ANSWER DOWNLOAD EXAMIANS APP
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