Electric Circuits An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are 40 Ω and 200 Ω. 40 Ω and 40 Ω. 25 Ω and 5 Ω. 50 Ω and 200 Ω. 40 Ω and 200 Ω. 40 Ω and 40 Ω. 25 Ω and 5 Ω. 50 Ω and 200 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If L and C both are doubled than damping in above circuit will be remains same. None of these halved as compared to previous one. doubled as compared to previous one. remains same. None of these halved as compared to previous one. doubled as compared to previous one. 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 75 V. 100 V. 125 V. 0 V. 75 V. 100 V. 125 V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Under resonance condition the phase angle between voltage phase and current phase is 45° 90° - 90° 0° 45° 90° - 90° 0° ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The arrangement of 12 cells each of internal resistance 1.5 Ohm to give maximum current in external load resistance of 2 Ohm will be all 12 in parallel. all 12 in series. in 3 parallel rows each row having 4 cells in series. in 4 parallel rows each row having 3 cells in series. all 12 in parallel. all 12 in series. in 3 parallel rows each row having 4 cells in series. in 4 parallel rows each row having 3 cells in series. 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? Z and I. VR and I. VL and Z. VL and VR. Z and I. VR and I. VL and Z. VL and VR. ANSWER DOWNLOAD EXAMIANS APP
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