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. None of these The voltage across each bulb is not same. The power dissipation in each bulb is not same. The current through each bulb is same. None of these The voltage across each bulb is not same. The power dissipation in each bulb is not same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases? VL and Z. VL and VR. Z and I. VR and I. VL and Z. VL and VR. Z and I. VR and I. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Consider the following circuit : Switch is closed at t = 0 Find i(0 +) 0. (V*L) / (R*C) V / {R + (sL + 1 / Cs)}. V/R. 0. (V*L) / (R*C) V / {R + (sL + 1 / Cs)}. V/R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star? None of these 3∠30o Ω. 30∠30o Ω. 27∠30o Ω None of these 3∠30o Ω. 30∠30o Ω. 27∠30o Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A circuit contains two unequal resistor in parallel voltage drops are according to their resistive value. heat losses in both are same. currents in both are same. voltage drops across both are same. voltage drops are according to their resistive value. heat losses in both are same. currents in both are same. voltage drops across both are same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacity of a cell is measured in watts. ampere-hour. amperes. watt-hours. watts. ampere-hour. amperes. watt-hours. ANSWER DOWNLOAD EXAMIANS APP