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. 6.25m. 5.25m. 0.6m. 0.5m. 6.25m. 5.25m. 0.6m. 0.5m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 600. 300. 150. 450. 600. 300. 150. 450. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point pole has a strength of 4π × 10-4 weber. The force in newtons on a point pole of 4π × 1.5 × 10-4 weber placed at a distance of 10 cm from it will be 20 N. 15 N. 3.75 N. 7.5 N. 20 N. 15 N. 3.75 N. 7.5 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω / π. ω/4π. ω. ω/2π. ω / π. ω/4π. ω. ω/2π. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Inside a hollow conducting sphere 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. electric field changes with magnitude of the charge given to the conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be 8 π V. Zero. 0.4 π V. 0.8 π V. 8 π V. Zero. 0.4 π V. 0.8 π V. ANSWER DOWNLOAD EXAMIANS APP
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