Electromagnetic Field Theory Two coils are coupled in such a way that the mutual inductance between them is 20 mH. If the inductances of the coils are 40 mH and 50 mH respectively, the coefficient of coupling is 0.01. 0.577. 0.447. 0.477. 0.01. 0.577. 0.447. 0.477. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field inside a hollow metallic charged sphere is none of above. decreasing towards centre. increasing towards centre. zero. none of above. decreasing towards centre. increasing towards centre. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Zero Very high Very low Infinite Zero Very high Very low Infinite ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Unit of electric flux density is coulomb. farad / meter. weber / meter2. coulomb / meter2. coulomb. farad / meter. weber / meter2. coulomb / meter2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory How much current must flow in a loop of radius 1m to produce a magnetic field of 1 mA/m? 1.5 mA. 1mA. 2.5 mA. 2 mA. 1.5 mA. 1mA. 2.5 mA. 2 mA. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement is correct for divergence of electric and magnetic flux densities? Both are zero. It is zero for the magnetic flux density. These are zero for static densities but non zero for time varying densities. It is zero for the electric flux density. Both are zero. It is zero for the magnetic flux density. These are zero for static densities but non zero for time varying densities. It is zero for the electric flux density. ANSWER DOWNLOAD EXAMIANS APP