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Electromagnetic Field Theory
If the static magnetic flux density is B, then
Curl of B = J.
Divergence of B = 0.
Divergence of B = J.
Curl of B = 0.
Curl of B = J.
Divergence of B = 0.
Divergence of B = J.
Curl of B = 0.
Answer
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Related Question
Electromagnetic Field Theory
The energy stored in the magnetic field in a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying a current at 10 amp, is
0.015 joule.
0.15 joule.
1.15 joule.
0.015 joule.
0.015 joule.
0.15 joule.
1.15 joule.
0.015 joule.
Answer
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Electromagnetic Field Theory
A conductor of length 100 cm moves at right angles to a magnetic field of flux density 1.5 Wb/m2 with a velocity of 50 m/s. The induced emf in the conductor will be
150 V.
37.5 V.
75 V.
50 V.
150 V.
37.5 V.
75 V.
50 V.
Answer
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Electromagnetic Field Theory
Poyniting vector has the dimensions
Watt × metre.
Watt × metre2.
Watts/metre2.
Watt/metre.
Watt × metre.
Watt × metre2.
Watts/metre2.
Watt/metre.
Answer
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Electromagnetic Field Theory
MUF is depend upon
Electron density of the ionospheric layer
Height of ionospheric layer
Received frequency by receiver
11 year sun spot cycle
Electron density of the ionospheric layer
Height of ionospheric layer
Received frequency by receiver
11 year sun spot cycle
Answer
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Electromagnetic Field Theory
When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0.
Yes
No
Yes
No
Answer
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