Electromagnetic Field Theory The Biot-savarts law is a general modification of Kirchhoffs law. Lenzs law. Faradays law. Amperes law. Kirchhoffs law. Lenzs law. Faradays law. Amperes law. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric dipole of moment P is placed in front of a ground sphere. The change induced on the surface of the sphere is (Assume radius of sphere = R and distance from dipole to centre of sphere = d) PR/d. PR 2/d3. Zero. PR/d2. PR/d. PR 2/d3. Zero. PR/d2. 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 0.477. 0.577. 0.447. 0.01. 0.477. 0.577. 0.447. 0.01. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Biot-Savarts law states the relation between magnetic intensity and surface current only. volume current only. filament current only. (A), (B), and (D) are all correct. surface current only. volume current only. filament current only. (A), (B), and (D) are all correct. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at High frequency Microwave frequency Low frequency Medium frequency High frequency Microwave frequency Low frequency Medium frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of the induced emf in a conductor depends upon on the flux density of the magnetic field. rate of change of flux linkage. amount of flux cut. amount of flux linkage. flux density of the magnetic field. rate of change of flux linkage. amount of flux cut. amount of flux linkage. ANSWER DOWNLOAD EXAMIANS APP
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