Electromagnetic Field Theory A vector field A = p In is given in Cartesian coordinates. In cylindrical coordinates it will be represented as A = cosφ Ir. A = cosφ Ir - sinφ Ir. A = cosφ Ir + sinφ Iφ. A = sinφ Ir. A = cosφ Ir. A = cosφ Ir - sinφ Ir. A = cosφ Ir + sinφ Iφ. A = sinφ Ir. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The skip distance is the maximum distance upto which ionospheric reflection is possible. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Poyniting vector has the dimensions Watt/metre. Watt × metre2. Watt × metre. Watts/metre2. Watt/metre. Watt × metre2. Watt × metre. Watts/metre2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When the phase velocity of an EM wave depends on frequency in any medium the phenomenon is called Dispersion Scattering Absorption Polarisation Dispersion Scattering Absorption Polarisation ANSWER DOWNLOAD EXAMIANS APP
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 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
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