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. decrease. initially increase and then decrease. increase. remain the same. decrease. initially increase and then decrease. increase. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Inside a hollow conducting sphere electric field changes with magnitude of the charge given to the conductor. electric field changes with distance from the center of the sphere. electric field is zero. electric field is a non zero constant. electric field changes with magnitude of the charge given to the conductor. electric field changes with distance from the center of the sphere. electric field is zero. electric field is a non zero constant. 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 __________ . Transmission Refraction None of these Reflection Transmission Refraction None of these Reflection ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the length of a conductor which is moving with a velocity 0.4m/s in a magnetic field of 8T, inducing an emf of 20V. 0.5m. 5.25m. 6.25m. 0.6m. 0.5m. 5.25m. 6.25m. 0.6m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For DC voltage an inductor is virtually a depends on polarity. depends on magnitude of voltage. short circuit. open circuit. depends on polarity. depends on magnitude of voltage. short circuit. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce 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 A stronger incident wave A standing wave which is not progressing ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS