Electromagnetic Field Theory A medium is said to be isotropic when ∈ = μ. ∈ is a scalar constant. ∈ = μσ. ∈ is zero. ∈ = μ. ∈ is a scalar constant. ∈ = μσ. ∈ is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field at any point on the axis of current carrying circular coil will be perpendicular to axis. at an angle 45o with the axis. zero. parallel to axis. perpendicular to axis. at an angle 45o with the axis. zero. parallel to axis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of all flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 2.0. Zero. 0.5. 1.0. 2.0. Zero. 0.5. 1.0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying an current at 10 A, is 0.15 J. 1.15 J. 0.5 J. 0.015 J. 0.15 J. 1.15 J. 0.5 J. 0.015 J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is constant and field is varying then emf will be induced. This principle is called static induced emf. dynamically induced emf. virtually induced emf. None of these static induced emf. dynamically induced emf. virtually induced emf. None of these 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 exits between the conductor and the ground. The maximum electric stress occur at Midway between the conductor and ground. The upper surface of the conductor. The lower surface of the conductor. The ground surface. Midway between the conductor and ground. The upper surface of the conductor. The lower surface of the conductor. The ground surface. ANSWER DOWNLOAD EXAMIANS APP
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