Electromagnetic Field Theory Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is same as that produced by one plate. double the field produced by one plate. dependent on coordinates of field points. zero. same as that produced by one plate. double the field produced by one plate. dependent on coordinates of field points. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A coil of 300 turns is wound on a non-magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The current of 3 A will be 113.04 µH. 37.68 mH. 113.04 mH. 37.68 µH. 113.04 µH. 37.68 mH. 113.04 mH. 37.68 µH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression Curl of H = J + (δ D)/(δ t). Surface integral of (j.ds) = 0. Divergence of D = ρv. Divergence of B = 0. Curl of H = J + (δ D)/(δ t). Surface integral of (j.ds) = 0. Divergence of D = ρv. Divergence of B = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. True False True False ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is true for a purely inductive circuit ? Any capacitance even if present in the circuit will not be charged. Apparent power of the circuit is zero. Reactive power of the circuit is zero. Actual power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. Apparent power of the circuit is zero. Reactive power of the circuit is zero. Actual power of the circuit is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A vector field A = p In is given in Cartesian coordinates. In cylindrical coordinates it will be represented as A = sinφ Ir. A = cosφ Ir. A = cosφ Ir - sinφ Ir. A = cosφ Ir + sinφ Iφ. A = sinφ Ir. A = cosφ Ir. A = cosφ Ir - sinφ Ir. A = cosφ Ir + sinφ Iφ. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS