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Electromagnetic Field Theory
Electric field strength of charge
Decrease with distance.
Increase square distance.
Decrease with square distance.
Increase distance.
Decrease with distance.
Increase square distance.
Decrease with square distance.
Increase distance.
Answer
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Related Question
Electromagnetic Field Theory
For a linear electromagnetic circuit, which of the following statement is true?
Field energy is equal to the co-energy.
Co-energy is zero.
Field energy is lesser than the co-energy.
Field energy is greater than the co-energy.
Field energy is equal to the co-energy.
Co-energy is zero.
Field energy is lesser than the co-energy.
Field energy is greater than the co-energy.
Answer
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Electromagnetic Field Theory
The field at any point on the axis of a current carrying coil will be
parallel to axis.
zero.
perpendicular to the axis.
at angle of 45° with the axis.
parallel to axis.
zero.
perpendicular to the axis.
at angle of 45° with the axis.
Answer
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Electromagnetic Field Theory
The useful magnetic flux obtainable from any closed surface is
None of these
Constant
Unity
Both A and B
None of these
Constant
Unity
Both A and B
Answer
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Electromagnetic Field Theory
Conductor is static and the field is varying then emf will be induced. This principle is called
dynamically induced emf.
virtually induced emf.
none of these
static induced emf.
dynamically induced emf.
virtually induced emf.
none of these
static induced emf.
Answer
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Electromagnetic Field Theory
The Biot-savarts law is a general modification of
Kirchhoffs law.
Faradays law.
Lenzs law.
Amperes law.
Kirchhoffs law.
Faradays law.
Lenzs law.
Amperes law.
Answer
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