Electromagnetic Field Theory Which of following can induce the maximum induced voltage ? 1 amp 1 Hz. 1 amp dc. 1 amp 100 Hz. 20 amp dc. 1 amp 1 Hz. 1 amp dc. 1 amp 100 Hz. 20 amp dc. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic circuit requires 800 AT to produce a certain quantity of flux in a magnetic circuit. If its excitation coil has 100 turns and 5 Ohm resistance, the voltage to be applied in exciting coil is 8 V. 80 V. 40 V. 60 V. 8 V. 80 V. 40 V. 60 V. 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). Q/(4 π εo r3). Qr/(4 π εo R3). QR/(4π εo r3). 3 Qr/(4 π εo R3). Q/(4 π εo r3). Qr/(4 π εo R3). QR/(4π εo r3). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 100 cm moves at right angles to a magnetic field of flux density 1.5 Wb/m2 with a velocity of 50 m/s. The induced emf in the conductor will be 37.5 V. 75 V. 50 V. 150 V. 37.5 V. 75 V. 50 V. 150 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Very high Infinite Zero Very low Very high Infinite Zero Very low ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Self inductance of magnetic coil is proportional to N2. 1 / N. N. 1 / N2. N2. 1 / N. N. 1 / N2. ANSWER DOWNLOAD EXAMIANS APP
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