Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying a current at 10 amp, is 0.015 joule. 1.15 joule. 0.15 joule. 0.015 joule. 0.015 joule. 1.15 joule. 0.15 joule. 0.015 joule. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Folded dipole Conical horn Square loop Log-periodic Folded dipole Conical horn Square loop Log-periodic ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The field at any point on the axis of a current carrying coil will be zero. at angle of 45° with the axis. parallel to axis. perpendicular to the axis. zero. at angle of 45° with the axis. parallel to axis. perpendicular to the axis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exists between the conductor and the ground. The maximum electric stress occurs at upper surface of the conductor. lower surface of the conductor. the ground surface. midway between the conductor and ground. upper surface of the conductor. lower surface of the conductor. the ground surface. midway between the conductor and ground. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 1. 2. 4. 8. 1. 2. 4. 8. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Commutator. Electric fields. Electric current. Copper conductors. Commutator. Electric fields. Electric current. Copper conductors. ANSWER DOWNLOAD EXAMIANS APP
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