Electromagnetic Field Theory How much current must flow in a loop of radius 1m to produce a magnetic field of 1 mA/m? 2.5 mA. 1mA. 2 mA. 1.5 mA. 2.5 mA. 1mA. 2 mA. 1.5 mA. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Inside a hollow conducting sphere electric field changes with magnitude of the charge given to the conductor. electric field is zero. electric field changes with distance from the center of the sphere. electric field is a non zero constant. electric field changes with magnitude of the charge given to the conductor. electric field is zero. electric field changes with distance from the center of the sphere. electric field is a non zero constant. 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 Zero. 0.5. 1.0. 2.0. Zero. 0.5. 1.0. 2.0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The divergence of a vector is a scalar, while the curl of a vector is another Scalar None of these Vector Unit vector Scalar None of these Vector Unit vector 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 0.015 J. 1.15 J. 0.5 J. 0.15 J. 0.015 J. 1.15 J. 0.5 J. 0.15 J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression Divergence of B = 0. Divergence of D = ρv. Curl of H = J + (δ D)/(δ t). Surface integral of (j.ds) = 0. Divergence of B = 0. Divergence of D = ρv. Curl of H = J + (δ D)/(δ t). Surface integral of (j.ds) = 0. ANSWER DOWNLOAD EXAMIANS APP