Electromagnetic Field Theory The virtual height of an ionospheric layer is __________ true height Equal to Higher than Less than No relation Equal to Higher than Less than No relation 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 0.447. 0.577. 0.01. 0.477. 0.447. 0.577. 0.01. 0.477. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The effective reactance of an inductive coil none of these. remains same irrespective of the frequency. decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. none of these. remains same irrespective of the frequency. decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. 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 lower surface of the conductor. the ground surface. upper surface of the conductor. midway between the conductor and ground. lower surface of the conductor. the ground surface. upper surface of the conductor. midway between the conductor and ground. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the strength of the magnetic field when a 2m long conductor is moving with a velocity 4m/s inducing an emf of 20V. 5T. 2.5T. 10T. 0.5T. 5T. 2.5T. 10T. 0.5T. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which statement does not say that electrostatic field is conservative? If the curl of E is identically zero. If is gradient of a scalar potential. The potential difference between two points is zero. The work done in a closed path inside the fields is zero. If the curl of E is identically zero. If is gradient of a scalar potential. The potential difference between two points is zero. The work done in a closed path inside the fields is zero. ANSWER DOWNLOAD EXAMIANS APP
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