Electromagnetic Field Theory A point pole has a strength of 4π × 10-4 weber. The force in newtons on a point pole of 4π × 1.5 × 10-4 weber placed at a distance of 10 cm from it will be 15 N. 3.75 N. 20 N. 7.5 N. 15 N. 3.75 N. 20 N. 7.5 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ . None of these Reflection Transmission Refraction None of these Reflection Transmission Refraction ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two straight parallel conductors carry equal currents in opposite direction. The force between them is repulsive. zero. attractive. none of above. repulsive. zero. attractive. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce A stronger incident wave A standing wave which is not progressing None of these A stronger reflected wave A stronger incident wave A standing wave which is not progressing None of these A stronger reflected wave ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Fleming's right hand rule may be applied to an electric generator to find out the direction of magnetic field. induced emf. None of these rotor rotation. magnetic field. induced emf. None of these rotor rotation. 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 Qr/(4 π εo R3). Q/(4 π εo r3). QR/(4π εo r3). 3 Qr/(4 π εo R3). Qr/(4 π εo R3). Q/(4 π εo r3). QR/(4π εo r3). 3 Qr/(4 π εo R3). ANSWER DOWNLOAD EXAMIANS APP
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