Electric Circuits Number of branches of a graph should be --------- number of branches of a network greater than less than less than equals to equals to greater than less than less than equals to equals to 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 25 times larger than before. 5 times smaller than before. 10 times greater than before. 5 times greater than before. 25 times larger than before. 5 times smaller than before. 10 times greater than before. 5 times greater than before. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of a strip of copper of rectangular cross section is 2 Ω. A metal of resistivity twice that of a copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be 3 / 4 Ω. 3 / 2 Ω. 6 Ω. 4 / 3 Ω. 3 / 4 Ω. 3 / 2 Ω. 6 Ω. 4 / 3 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 35 V source is connected to a series circuit of 600 Ω and R as shown. If a voltmeter of internal resistance 1.2 kΩ is connected across 600 Ω resistor, it reads 5 V. The value of R is 7.2 k Ω. 2.4 k Ω. 1.2 k Ω. 3.6 k Ω. 7.2 k Ω. 2.4 k Ω. 1.2 k Ω. 3.6 k Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is 0.35 mA. 0.25 mA. 0.5 mA. 1 mA. 0.35 mA. 0.25 mA. 0.5 mA. 1 mA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance? 63.7 Ω. 1.765 Ω. 0.015 Ω. 135.86 Ω. 63.7 Ω. 1.765 Ω. 0.015 Ω. 135.86 Ω. ANSWER DOWNLOAD EXAMIANS APP
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