Electromagnetic Field Theory The principle of dynamically induced emf is utilized in a transformer. thermocouple. choke. generator. transformer. thermocouple. choke. generator. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is zero in relation to electromagnetic fields? Div grad V. Div curl A. Grad div A. Curl curl A. Div grad V. Div curl A. Grad div A. Curl curl A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Gradient of scalar field is expressed as Gradient of divergence of a vector field minus the curl of the vector field. Circulation of a vector field per unit area as the area tends to zero. Outward flux of a vector field per unit volume as the volume about the point tends to zero. Maximum rate of increase of scalar function at a point. Gradient of divergence of a vector field minus the curl of the vector field. Circulation of a vector field per unit area as the area tends to zero. Outward flux of a vector field per unit volume as the volume about the point tends to zero. Maximum rate of increase of scalar function at a point. 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. 1.19 m. 1.39 m. 1.59 m. 1.29 m. 1.19 m. 1.39 m. 1.59 m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Retentivity. Hysteresis. Saturation magnetism. Coercivity. Retentivity. Hysteresis. Saturation magnetism. Coercivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A voltage waveform V(t) = 12t2 is applied across a 1H inductor for t = 0, with initial current through it being zero. The current through the inductor for t = 0 is given by 12t. 24t. 4t3. 12t3. 12t. 24t. 4t3. 12t3. ANSWER DOWNLOAD EXAMIANS APP
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