Electric Circuits A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then voltage across each resistor is halved. doubled. remain same. increase by two times. halved. doubled. remain same. increase by two times. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The electrical conductivity of metal is typically of the order of (in ohm - m) 10 - 6. 105. 107. 10 - 4. 10 - 6. 105. 107. 10 - 4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC series circuit R = 2Ω, L = 2mH and C = 1μF. Find the time constant of the circuit? 2 μsec 2 msec 4 msec 1 μsec 2 μsec 2 msec 4 msec 1 μsec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following is the heaviest? Molecule. Atom. Electron. Proton. Molecule. Atom. Electron. Proton. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A. 0.5 3.149 1 2.56 0.5 3.149 1 2.56 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be 4 Ω. 40 Ω. 400 Ω. 800 Ω. 4 Ω. 40 Ω. 400 Ω. 800 Ω. ANSWER DOWNLOAD EXAMIANS APP