Electromagnetic Field Theory The radiation pattern of loop antenna is Circle Elliptical Cardoid or Limacon Semicircle Circle Elliptical Cardoid or Limacon Semicircle 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 3 Qr/(4 π εo R3). QR/(4π εo r3). Q/(4 π εo r3). Qr/(4 π εo R3). 3 Qr/(4 π εo R3). QR/(4π εo r3). Q/(4 π εo r3). Qr/(4 π εo R3). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The right hand rule for determining the direction of the induced EMF was introduced by Faraday Fleming Lenz Maxwell Faraday Fleming Lenz Maxwell ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic field intensity at centre of circular coil, of diameter 1 m and carrying a current of 2 A is 1 A/m. 8 A/m. 2 A/m. 4 A/m. 1 A/m. 8 A/m. 2 A/m. 4 A/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 10 cm long and 4 cm diameter wound with 2000 turns of wire carrying a current at 20 amp, is 30 joules. 12 joules. 24 joules. 15 joules. 30 joules. 12 joules. 24 joules. 15 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the strength of the magnetic field when a 2m long conductor is moving with a velocity 4m/s inducing an emf of 20V. 0.5T. 5T. 2.5T. 10T. 0.5T. 5T. 2.5T. 10T. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS