Electromagnetic Field Theory Mutual inductance between two magnetically coupled coils depends on permeability of core. the number of their turns. all of above. cross sectional area of their common core. permeability of core. the number of their turns. all of above. cross sectional area of their common core. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A rectangular loop in the x – z plane bounded by the lines x = 0, x = a, z = 0 and z = b is in a time varying magnetic field is given by B = B0 cosωt + ay. Where B0 is constant, ω is angular frequency and ay unit vector in the y direction. Now the emf induced in the loop is given by Zero. ab Bo cosω t. abω Bo sinω t. Bo ω sinω t. Zero. ab Bo cosω t. abω Bo sinω t. Bo ω sinω t. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following can induce the maximum induced voltage ? 1 amp dc. 1 amp 100 Hz. 1 amp 1 Hz. 20 amp dc. 1 amp dc. 1 amp 100 Hz. 1 amp 1 Hz. 20 amp dc. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is 3.2 H. 3.2 µH. 3.2 mH. 32 mH. 3.2 H. 3.2 µH. 3.2 mH. 32 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Conical horn Square loop Folded dipole Log-periodic Conical horn Square loop Folded dipole Log-periodic ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is static and the field is varying then emf will be induced. This principle is called dynamically induced emf. static induced emf. virtually induced emf. none of these dynamically induced emf. static induced emf. virtually induced emf. none of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS