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 × d. Q2 × d. Q / d2. Q2 / d. Q × d. Q2 × d. Q / d2. Q2 / d. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current of 1 mA flows through a 1M ohm, 2 W carbon resistor. The power dissipated as heat in the resistor will be 0.5 W. None of these 2 W. 1 W. 0.5 W. None of these 2 W. 1 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The phase angle difference between current and voltage is 90o, the power will be zero. maximum. VI. minimum. zero. maximum. VI. minimum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the peak value of a sine wave is 100 V, then its RMS value will be 70.7 V. 88 V. 63.6 V. 100 V. 70.7 V. 88 V. 63.6 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistance of which material does not change with change in temperature? Platinum. Brass. Metal alloys constantan and manganin. Tungsten. Platinum. Brass. Metal alloys constantan and manganin. Tungsten. ANSWER DOWNLOAD EXAMIANS APP
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. 25 Ω and 5 Ω. 50 Ω and 200 Ω. 40 Ω and 40 Ω. 40 Ω and 200 Ω. 25 Ω and 5 Ω. 50 Ω and 200 Ω. 40 Ω and 40 Ω. ANSWER DOWNLOAD EXAMIANS APP
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