Electromagnetic Field Theory Magnetic flux density emerging out of a closed surface is depends on magnetic movements outside the closed surface infinite. depends on magnetic movements inside the closed surface. zero. depends on magnetic movements outside the closed surface infinite. depends on magnetic movements inside the closed surface. zero. ANSWER DOWNLOAD EXAMIANS APP
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 0.477. 0.577. 0.01. 0.447. 0.477. 0.577. 0.01. 0.447. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Voltage applied across a dielectric produces an electrostatic field 50 times greater than air. The dielectric constant of the dielectric will be 10. 50. 20. 5. 10. 50. 20. 5. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be 4 A / s. 64 A / s. 16 A / s. 32 A / s. 4 A / s. 64 A / s. 16 A / s. 32 A / s. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If n is the polarization vector and k is the direction of propagation plane electromagnetic wave, then n. k = 0. n = - k. n = K. n × k = 0. n. k = 0. n = - k. n = K. n × k = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic current is composed of which of the following? Both conduction and displacement current. Only displacement current. Only conduction current. None of these Both conduction and displacement current. Only displacement current. Only conduction current. None of these ANSWER DOWNLOAD EXAMIANS APP
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