Electric Circuits A current in a circuit is given by, If the current flows through the 5 Ω resistor, find power dissipated at t = 0? 10 Watts. 20 Watts. 40 Watts. 15 Watts. 10 Watts. 20 Watts. 40 Watts. 15 Watts. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of copper increases and germanium decreases. copper decreases and germanium increases. each of them increases. each of them decreases. copper increases and germanium decreases. copper decreases and germanium increases. each of them increases. each of them decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A positive and a negative charged conductor are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be 10 times greater than before. 5 times smaller than before. 5 times greater than before. 25 times larger than before. 10 times greater than before. 5 times smaller than before. 5 times greater than before. 25 times larger than before. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The alternative names for active power is/are real power. average power. All of these true power. real power. average power. All of these true power. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre? 6.24. 0.020. 3.12. 1.56. 6.24. 0.020. 3.12. 1.56. 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. VL and Z. VR and I. VL and VR. Z and I. VL and Z. VR and I. VL and VR. ANSWER DOWNLOAD EXAMIANS APP