Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become R. 2R. 4R. 0.5R. R. 2R. 4R. 0.5R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The maximum value of a current wave is 2A. If the form factor of a current wave is 1.5 and the peak factor is 2.7, find the rms value in Amperes. 1.57 A. 1.414 A. 0.494 A. 0.741 A. 1.57 A. 1.414 A. 0.494 A. 0.741 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the circuit shown below the value of R is adjusted so as to make the current in RL equal to zero. Calculate the value of R. 3 Ω. 2 Ω. 4 Ω. 1 Ω. 3 Ω. 2 Ω. 4 Ω. 1 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the unit of potential difference ? Volt Ampere Watt Ohm Volt Ampere Watt Ohm 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 0 V. 100 V. 75 V. 125 V. 0 V. 100 V. 75 V. 125 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A circuit contains two unequal resistor in parallel voltage drops across both are same. voltage drops are according to their resistive value. currents in both are same. heat losses in both are same. voltage drops across both are same. voltage drops are according to their resistive value. currents in both are same. heat losses in both are same. ANSWER DOWNLOAD EXAMIANS APP
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