Electromagnetic Field Theory Which of following can induce the maximum induced voltage ? 1 amp dc. 1 amp 1 Hz. 20 amp dc. 1 amp 100 Hz. 1 amp dc. 1 amp 1 Hz. 20 amp dc. 1 amp 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Due to which of the following reasons a lightning conductor on top of a building is made into a pointed spike? Dust particles may not accumulate None of these Charge per unit area becomes very high for lightening to discharge Rain drops may not collect Dust particles may not accumulate None of these Charge per unit area becomes very high for lightening to discharge Rain drops may not collect ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is directly proportional to the square of the distance between them. inversely proportional to the distance between them. inversely proportional to the square of the distance between them. directly proportional to the distance between them. directly proportional to the square of the distance between them. inversely proportional to the distance between them. inversely proportional to the square of the distance between them. directly proportional to the distance between them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The field at any point on the axis of a current carrying coil will be perpendicular to the axis. zero. at angle of 45° with the axis. parallel to axis. perpendicular to the axis. zero. at angle of 45° with the axis. parallel to axis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce A stronger reflected wave A standing wave which is not progressing None of these A stronger incident wave A stronger reflected wave A standing wave which is not progressing None of these A stronger incident wave ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of force acting on a current carrying conductor placed in a magnetic field is independent of cross-sectional area of conductor. flux density. length of conductor. current flowing through the conductor. cross-sectional area of conductor. flux density. length of conductor. current flowing through the conductor. ANSWER DOWNLOAD EXAMIANS APP
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