Electric Circuits To obtain a high value of capacitance, the permittivity of dielectric medium should be unity low zero high unity low zero high ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor has a capacitance of 6 μF. Calculate the stored energy in it if a DC voltage of 100 V, is applied across it? 4 × 102 joules. 6 × 102 joules. 2.5 × 102 joules. 3 × 102 joules. 4 × 102 joules. 6 × 102 joules. 2.5 × 102 joules. 3 × 102 joules. 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 1 mA. 0.5 mA. 0.35 mA. 0.25 mA. 1 mA. 0.5 mA. 0.35 mA. 0.25 mA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits By which of the following elements transients will not occur? C L R All of these C L R All of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitive circuit, the capacitive reactance is directly proportional to the square of frequency indirectly proportional to frequency indirectly proportional to the square of frequency directly proportional to frequency directly proportional to the square of frequency indirectly proportional to frequency indirectly proportional to the square of frequency directly proportional to frequency 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 125 V. 75 V. 0 V. 100 V. 125 V. 75 V. 0 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP