Electric Circuits Four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true? 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. The current through each bulb is same. The power dissipation in each bulb is not same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three parallel resistive branches are connected across a DC supply. The ratio of the branch resistances are given as R1:R2:R3 :: 2:4:6. The ratio of the branch currents is 6:4:2. 6:3:2. 2:3:6. 2:4:6. 6:4:2. 6:3:2. 2:3:6. 2:4:6. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor? 0.866. 0.577. 0.5. 1. 0.866. 0.577. 0.5. 1. 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 2.56 3.149 1 0.5 2.56 3.149 1 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Disadvantages of constant k type filter characteristic impedance unchanged in pass band. both A and B. none of these. attenuation does not increase rapidly beyond cut off frequency. characteristic impedance unchanged in pass band. both A and B. none of these. attenuation does not increase rapidly beyond cut off frequency. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electric field intensity ( E ) at any point in an electric field is equal to potential gradient. ( potential gradient )1/2. ( potential gradient )1/3. ( potential gradient )2. potential gradient. ( potential gradient )1/2. ( potential gradient )1/3. ( potential gradient )2. ANSWER DOWNLOAD EXAMIANS APP
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