Electromagnetic Field Theory A medium is said to be isotropic when ∈ is zero. ∈ = μσ. ∈ is a scalar constant. ∈ = μ. ∈ is zero. ∈ = μσ. ∈ is a scalar constant. ∈ = μ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Plane z = 10 m carries charge 20 C/m2. The electric field intensity at the origin is – 360 πuz v/m. – 72 πuz v/m. – 10 uz v/m. – 18 πuz v/m. – 360 πuz v/m. – 72 πuz v/m. – 10 uz v/m. – 18 πuz v/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The Biot-savarts law is a general modification of Faradays law. Lenzs law. Amperes law. Kirchhoffs law. Faradays law. Lenzs law. Amperes law. Kirchhoffs law. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The property of the coil by which a counter emf is induced in it when the current through the coil changes is known as mutual inductance. capacitance. series aiding inductance. self inductance. mutual inductance. capacitance. series aiding inductance. self inductance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at High frequency Medium frequency Low frequency Microwave frequency High frequency Medium frequency Low frequency Microwave frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be Zero. 0.8 π V. 8 π V. 0.4 π V. Zero. 0.8 π V. 8 π V. 0.4 π V. ANSWER DOWNLOAD EXAMIANS APP