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Electromagnetic Field Theory
If the resistance of a conductor does not vary in accordance with the Ohms law it is known as
non - linear conductor.
bad conductor.
non - conductor.
reverse conductor.
non - linear conductor.
bad conductor.
non - conductor.
reverse conductor.
Answer
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Related Question
Electromagnetic Field Theory
The effective reactance of an inductive coil
none of these.
increases because of stray capacitance as the frequency increases.
remains same irrespective of the frequency.
decreases because of stray capacitance as the frequency increases.
none of these.
increases because of stray capacitance as the frequency increases.
remains same irrespective of the frequency.
decreases because of stray capacitance as the frequency increases.
Answer
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Electromagnetic Field Theory
Magnetic current is composed of which of the following?
Both conduction and displacement current.
None of these
Only conduction current.
Only displacement current.
Both conduction and displacement current.
None of these
Only conduction current.
Only displacement current.
Answer
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Electromagnetic Field Theory
A waveguide operated below cut off frequency can be used as
None
An isolator
An attenuator
Phase shifter
None
An isolator
An attenuator
Phase shifter
Answer
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Electromagnetic Field Theory
A rectangular waveguide is a
Tube antenna to transmit and receive electromagnetic waves
Hollow rectangular conducting tube through which electromagnetic waves can be propagat-ed
Hollow rectangular walled room carrying electromagnetic wave
Rectangular conducting wire to propagate electromagnetic waves
Tube antenna to transmit and receive electromagnetic waves
Hollow rectangular conducting tube through which electromagnetic waves can be propagat-ed
Hollow rectangular walled room carrying electromagnetic wave
Rectangular conducting wire to propagate electromagnetic waves
Answer
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Electromagnetic Field Theory
In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will
decrease.
increase.
initially increase and then decrease.
remain the same.
decrease.
increase.
initially increase and then decrease.
remain the same.
Answer
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