Electromagnetic Field Theory A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere? 0.335/sinθ c. 0.335 C. 0. None of above. 0.335/sinθ c. 0.335 C. 0. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite sheet has a charge density of 150 μ C/m. The flux density in μ C/m 2 is 100. 50. 1/75. 75. 100. 50. 1/75. 75. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Tropospheric scatter is used with frequencies in the HF VLF UHF VHF HF VLF UHF VHF 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) QR. QD. QR2/d. Q√(R2 + d2). QR. QD. QR2/d. Q√(R2 + d2). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Antenna height Distance of the point from the antenna Current of the antenna Wave frequency Antenna height Distance of the point from the antenna Current of the antenna Wave frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A potential field is given by V = 3x2 y – yz. The electric field at P(2, -1, 4) is 12 Ix - 8 Iy V/m. 12 Ix - Iz V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix + 8 Iy + Iz V/m. 12 Ix - 8 Iy V/m. 12 Ix - Iz V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix + 8 Iy + Iz V/m. ANSWER DOWNLOAD EXAMIANS APP
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