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 __________ . None of these Transmission Refraction Reflection None of these Transmission Refraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The two windings of a transformer have an inductor of 2 H each. If mutual inductor between them is also 2 H, then none of these. it is a perfect transformer. transformer is an ideal transformer. turns ratio of the transformer is also two. none of these. it is a perfect transformer. transformer is an ideal transformer. turns ratio of the transformer is also two. 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 24 joules. 30 joules. 15 joules. 12 joules. 24 joules. 30 joules. 15 joules. 12 joules. 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) QD. QR. QR2/d. Q√(R2 + d2). QD. QR. QR2/d. Q√(R2 + d2). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a linear electromagnetic circuit, which of the following statement is true? Field energy is equal to the co-energy. Field energy is lesser than the co-energy. Co-energy is zero. Field energy is greater than the co-energy. Field energy is equal to the co-energy. Field energy is lesser than the co-energy. Co-energy is zero. Field energy is greater than the co-energy. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field intensity (E) at ant point in an electric field is equal to (potential gradient)2. (potential gradient)1/3. (potential gradient)1/2. potential gradient. (potential gradient)2. (potential gradient)1/3. (potential gradient)1/2. potential gradient. ANSWER DOWNLOAD EXAMIANS APP
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