Electromagnetic Field Theory Which of the following is zero in relation to electromagnetic fields? Div curl A. Div grad V. Grad div A. Curl curl A. Div curl A. Div grad V. Grad div A. Curl curl A. 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 300. 150. 600. 450. 300. 150. 600. 450. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above problem the induced emf will be reduced to half if the conductor moves an angle of 45° to the direction of field. 60° to the direction of field. 75° to the direction of field. 30° to the direction of field. 45° to the direction of field. 60° to the direction of field. 75° to the direction of field. 30° to the direction of field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If E is the electric field intensity, then what is the value of divergence of (curl of E)? E. Null vector. Zero. | E |. E. Null vector. Zero. | E |. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m? 1.29 m. 1.39 m. 1.19 m. 1.59 m. 1.29 m. 1.39 m. 1.19 m. 1.59 m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of all flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 1.0. 2.0. Zero. 0.5. 1.0. 2.0. Zero. 0.5. ANSWER DOWNLOAD EXAMIANS APP
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