Electric Circuits A variable capacitance is one whose capacitance changes with temperature. can be changed manually or by mechanical force. changes with voltage. changes with time. changes with temperature. can be changed manually or by mechanical force. changes with voltage. changes with time. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The efficiency in case of maximum power transfer theorem is 50 % - 100 %. less than 50 %. 50 %. 100 %. 50 % - 100 %. less than 50 %. 50 %. 100 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the network shown, what is the current I in the direction shown? 0 A. 1 / 3 A. 4 A. 5 / 6 A. 0 A. 1 / 3 A. 4 A. 5 / 6 A. 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. 0 V. 100 V. 125 V. 75 V. 0 V. 100 V. 125 V. 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 1.2 k Ω. 2.4 k Ω. 7.2 k Ω. 3.6 k Ω. 1.2 k Ω. 2.4 k Ω. 7.2 k Ω. 3.6 k Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 2m long conductor, carries a current of 50 A at a magnetic field of 100 × 10 − 3 T. The force on the conductor is 1000 N. 10000 N. 10 N. 100 N. 1000 N. 10000 N. 10 N. 100 N. ANSWER DOWNLOAD EXAMIANS APP
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