Exercise: Electromagnetic Field Theory

Questions for: Electromagnetic Field Theory

Which of the following statements is incorrect?
A:
The line integral of B around the circuit is called magnetomotive force
B:
Normal components of B are continuous but the normal components of H are not continuous
C:
Magnetic flux lines are bent away from the normal in the medium with the highest value of permeability
D:
The unit of permeability is henry/metre
Answer: A
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In order to receive a vertically polarized wave, the conductor of the dipole should be mounted
A:
horizontally
B:
vertically
C:
at an angle of 45°
D:
none of the above
Answer: B
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Magnetic susceptibility of a medium is the ratio of
A:
magnetic field strength to mmf
B:
intensity of magnetization to magnetic flux density
C:
intensity of magnetization to field strength
D:
mmf to magnetic field strength
Answer: C
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One volt equals
A:
one joule
B:
one joule/coulomb
C:
one coulomb/joule
D:
none of the above
Answer: C
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In case of antenna the lower value of Q indicates
A:
higher bandwidth
B:
lower bandwidth
C:
higher distortion
D:
lower distortion
Answer: A
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