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 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. The voltage across each bulb is not same. 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 1 3.149 0.5 2.56 1 3.149 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The ratio of electric flux density to electric field intensity is called ......... of medium reluctance permeability capacitance permittivity reluctance permeability capacitance permittivity ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 50 μF capacitor is charged to retain 10 MJ of energy by a constant charging current of 1 A. Determine the voltages across the capacitor? 20 V. 50 V. 60 V. 30 V. 20 V. 50 V. 60 V. 30 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If two point charges are denoted by + Q and - Q and distance between this charges is d, then the dipole moment P equal to Q / d2. Q × d. Q2 / d. Q2 × d. Q / d2. Q × d. Q2 / d. Q2 × d. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be 4. 0.25. 0.5. 2. 4. 0.25. 0.5. 2. ANSWER DOWNLOAD EXAMIANS APP