Electromagnetic Field Theory A square corner reflector is used in which of the following? TV broadcast Radio astronomy Point-to-point communication All of these TV broadcast Radio astronomy Point-to-point communication All of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The potential that appears at a point in space due to the current which caused it is called potential Lagging the current Accelerating Retardation Oscillating Lagging the current Accelerating Retardation Oscillating ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The static electric field in a conductor is Zero None of these Unity Infinity Zero None of these Unity Infinity ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils are coupled in such a way that the mutual inductance between them is 20 mH. If the inductances of the coils are 40 mH and 50 mH respectively, the coefficient of coupling is 0.01. 0.577. 0.477. 0.447. 0.01. 0.577. 0.477. 0.447. 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. QR2/d. Q√(R2 + d2). QR. QD. QR2/d. Q√(R2 + d2). QR. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of a parabola antenna is None of these Highly directional Omnidirectional A figure of directional None of these Highly directional Omnidirectional A figure of directional ANSWER DOWNLOAD EXAMIANS APP
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