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. None of these The current through each bulb is same. The power dissipation in each bulb is not same. The voltage across each bulb is not same. None of these The current through each bulb is same. The power dissipation in each bulb is not same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of 100 W, 200 V lamp is 1600 Ω. 200 Ω. 400 Ω. 800 Ω. 1600 Ω. 200 Ω. 400 Ω. 800 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is 50 ohms. 1000 ohms. 500 ohms. 5000 ohms. 50 ohms. 1000 ohms. 500 ohms. 5000 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Condition for a balanced 3 - phase load is that, each phase has the same value of __________________. power factor. impedance. all of these. resistance. power factor. impedance. all of these. resistance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A cube of material of side 1 cm has a resistance of 0.002 Ω between its opposite faces. If the same volume of the material has a length of 4 cm and a uniform cross - section, the resistance of this length will be 0.128 Ω. 0.064 Ω. 0.016 Ω. 0.032 Ω. 0.128 Ω. 0.064 Ω. 0.016 Ω. 0.032 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A conductor of length l meters moves at right angles to a uniform magnetic field of flux density B = 1.5 T. if the velocity of revolution of the conductor is 50 ms-1 then induced e.m.f. in the conductor is 0 V. 75 V. 100 V. 125 V. 0 V. 75 V. 100 V. 125 V. ANSWER DOWNLOAD EXAMIANS APP