Electromagnetic Field Theory The core of coil length is 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 12 mH. 3 mH. 24 mH. 48 mH. 12 mH. 3 mH. 24 mH. 48 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to 2RBT. R2BT. RBT. R2B / T. 2RBT. R2BT. RBT. R2B / T. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to maximum power transfer theorem, the maximum power is absorbed by one network from another network when The impedance of one is equal to that of the other None of these The impedance of one of the networks is half that of the other The impedance of one is the complex conjugate of the other The impedance of one is equal to that of the other None of these The impedance of one of the networks is half that of the other The impedance of one is the complex conjugate of the other ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The lagging of flux density behind the applied magnetising force is known as hysteresis. permeance. flux. All of these hysteresis. permeance. flux. All of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The work done by a force F = 4un - 3uy + 2uz N in giving a 1nC charge a displacement of (10 ux + 2uy - 7uz) m is 60 nj. 20 nj. 40 nj. 100 nj. 60 nj. 20 nj. 40 nj. 100 nj. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If the static magnetic flux density is B, then Curl of B = 0. Curl of B = J. Divergence of B = 0. Divergence of B = J. Curl of B = 0. Curl of B = J. Divergence of B = 0. Divergence of B = J. ANSWER DOWNLOAD EXAMIANS APP
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