Electromagnetic Field Theory The force on a charge moving with velocity v under the influence of electric and magnetic fields is given by which one of the following q(H + V × E). q(E +V × H). q(E + B × V). q(E + V × B). q(H + V × E). q(E +V × H). q(E + B × V). q(E + V × B). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 8. 1. 2. 4. 8. 1. 2. 4. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If the resistance of a conductor does not vary in accordance with the Ohms law it is known as non - conductor. bad conductor. reverse conductor. non - linear conductor. non - conductor. bad conductor. reverse conductor. non - linear conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying an current at 10 A, is 0.5 J. 0.15 J. 1.15 J. 0.015 J. 0.5 J. 0.15 J. 1.15 J. 0.015 J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two identical circular coils, one closed and another is little split (not enclosed) are placed in an uniform magnetic field which decrease at a constant rate. If the plane to the coils are perpendicular to the field which of the following statements is true? Equal joule heating occurs in both coils. Joule heating does not occur in each of the coils. An emf is induced in split coil. An emf is induced in both coils. Equal joule heating occurs in both coils. Joule heating does not occur in each of the coils. An emf is induced in split coil. An emf is induced in both coils. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The transmitting antennas for lower frequencies (below 500 kHz) are generally Any of the above Vertical grounded wire type Horizontal suspended wire type Parabolic reflector type Any of the above Vertical grounded wire type Horizontal suspended wire type Parabolic reflector type ANSWER DOWNLOAD EXAMIANS APP
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