Electromagnetic Field Theory Which of following is true for a purely inductive circuit ? Reactive power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. Apparent power of the circuit is zero. Actual power of the circuit is zero. Reactive power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. Apparent power of the circuit is zero. Actual power of the circuit is zero. 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). QR2/d. QD. QR. Q√(R2 + d2). QR2/d. QD. QR. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field at any point on the axis of current carrying circular coil will be parallel to axis. perpendicular to axis. at an angle 45o with the axis. zero. parallel to axis. perpendicular to axis. at an angle 45o with the axis. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If an electric current carrying coil is placed in a uniform magnetic field in the direction of magnetic induction, then the net force is zero but torque is finite. the net force is finite but torque is zero. the net force and torque on the coil are both zero. the net force and torque are both finite. the net force is zero but torque is finite. the net force is finite but torque is zero. the net force and torque on the coil are both zero. the net force and torque are both finite. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic material has a total flux B of 80 micro Wb with an mmf of 160 AT. The reluctance in ampere turn per weber is 2 × 106. 2 × 108. 2 × 10-8. 2 × 10-6. 2 × 106. 2 × 108. 2 × 10-8. 2 × 10-6. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ . Reflection None of these Refraction Transmission Reflection None of these Refraction Transmission ANSWER DOWNLOAD EXAMIANS APP
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