Electromagnetic Field Theory Two straight parallel conductors carry equal currents in opposite direction. The force between them is zero. none of above. attractive. repulsive. zero. none of above. attractive. repulsive. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force required to seperate two surfaces with a contact area measuring 5 cm by 6 cm, when flux density normal to the surface is 0.8 tesla, will be 7640 N. 764 N. 76.4 N. 76400 N. 7640 N. 764 N. 76.4 N. 76400 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic vector potential due to a single conductor carrying current is infinite. none of tha above. finite. zero. infinite. none of tha above. finite. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is directly proportional to the distance between them. directly proportional to the square of the distance between them. inversely proportional to the distance between them. inversely proportional to the square of the distance between them. directly proportional to the distance between them. directly proportional to the square of the distance between them. inversely proportional to the distance between them. inversely proportional to the square of the distance between them. 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. 40 nj. 100 nj. 20 nj. 60 nj. 40 nj. 100 nj. 20 nj. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH. 250. 145. 150. 225. 250. 145. 150. 225. ANSWER DOWNLOAD EXAMIANS APP
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