Electromagnetic Field Theory If the static magnetic flux density is B, then Curl of B = J. Divergence of B = J. Divergence of B = 0. Curl of B = 0. Curl of B = J. Divergence of B = J. Divergence of B = 0. Curl of B = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying an current at 10 A, is 0.5 J. 0.015 J. 0.15 J. 1.15 J. 0.5 J. 0.015 J. 0.15 J. 1.15 J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The ability of charged bodies to exert force on one another is attributed to the existence of neutrons. electric field. electrons. protons. neutrons. electric field. electrons. protons. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular ring is carrying uniformly distributed charge q and a point charge – Q on the axis of the ring. The magnitude of dipole moment of the charge system is (Assume distance between centre of ring and point charge is d and radius of ring R) Q√(R2 + d2). QD. QR2/d. QR. Q√(R2 + d2). QD. QR2/d. QR. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 10 cm long and 4 cm diameter wound with 2000 turns of wire carrying a current at 20 amp, is 15 joules. 30 joules. 12 joules. 24 joules. 15 joules. 30 joules. 12 joules. 24 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a linear electromagnetic circuit, which of the following statement is true? Field energy is lesser than the co-energy. Field energy is equal to the co-energy. Co-energy is zero. Field energy is greater than the co-energy. Field energy is lesser than the co-energy. Field energy is equal to the co-energy. Co-energy is zero. Field energy is greater than the co-energy. ANSWER DOWNLOAD EXAMIANS APP
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