Electromagnetic Field Theory For an inductor, current is proportional to both (A) and (B). none of them. magnetic field. voltage across the inductor. both (A) and (B). none of them. magnetic field. voltage across the inductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Saturation magnetism. Retentivity. Hysteresis. Coercivity. Saturation magnetism. Retentivity. Hysteresis. Coercivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is dependent on coordinates of field points. zero. same as that produced by one plate. double the field produced by one plate. dependent on coordinates of field points. zero. same as that produced by one plate. double the field produced by one plate. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A solid sphere made of insulating material has a radius R and has a total charge Q distributed uniformly in its volume. What is the magnitude of electric field intensity, E, at a distance r (o less than r less than R) inside the sphere Q/(4 π εo r3). 3 Qr/(4 π εo R3). Qr/(4 π εo R3). QR/(4π εo r3). Q/(4 π εo r3). 3 Qr/(4 π εo R3). Qr/(4 π εo R3). QR/(4π εo r3). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above problem the induced emf will be reduced to half if the conductor moves an angle of 60° to the direction of field. 30° to the direction of field. 45° to the direction of field. 75° to the direction of field. 60° to the direction of field. 30° to the direction of field. 45° to the direction of field. 75° to the direction of field. 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. – 18 πuz v/m. – 72 πuz v/m. – 10 uz v/m. – 360 πuz v/m. – 18 πuz v/m. – 72 πuz v/m. – 10 uz v/m. ANSWER DOWNLOAD EXAMIANS APP
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