Electromagnetic Field Theory Coulombs law for the force between electric charges most closely resembles with Law of conservation of energy. Newtons law of gravitation. Newtons law of motion. Gauss theorem. Law of conservation of energy. Newtons law of gravitation. Newtons law of motion. Gauss theorem. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression Divergence of D = ρv. Surface integral of (j.ds) = 0. Curl of H = J + (δ D)/(δ t). Divergence of B = 0. Divergence of D = ρv. Surface integral of (j.ds) = 0. Curl of H = J + (δ D)/(δ t). Divergence of B = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The wave in wave guide has Larger frequency than in the free space Larger wavelength than in the free space Diminishing wavelength than in the free space Group velocity inversely proportional to wavelength Larger frequency than in the free space Larger wavelength than in the free space Diminishing wavelength than in the free space Group velocity inversely proportional to wavelength ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will remain the same. initially increase and then decrease. increase. decrease. remain the same. initially increase and then decrease. increase. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The principle of dynamically induced emf is utilized in a thermocouple. choke. transformer. generator. thermocouple. choke. transformer. generator. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at High frequency Microwave frequency Medium frequency Low frequency High frequency Microwave frequency Medium frequency Low frequency ANSWER DOWNLOAD EXAMIANS APP
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