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Electromagnetic Field Theory
The tubes of force within the magnetic material are known as
magnetic flux.
tubes of indication.
none of them.
lines of force.
magnetic flux.
tubes of indication.
none of them.
lines of force.
Answer
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Related Question
Electromagnetic Field Theory
Find the length of a conductor which is moving with a velocity 0.4m/s in a magnetic field of 8T, inducing an emf of 20V.
6.25m.
5.25m.
0.6m.
0.5m.
6.25m.
5.25m.
0.6m.
0.5m.
Answer
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Electromagnetic Field Theory
It was suggested by _____________ that the electric field should be imagined to be divided into tubes of force containing a fixed number of line of force
all of above.
Kelvin.
Newton.
Faraday.
all of above.
Kelvin.
Newton.
Faraday.
Answer
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Electromagnetic Field Theory
Plane z = 10 m carries charge 20 C/m2. The electric field intensity at the origin is
– 72 πuz v/m.
– 10 uz v/m.
– 360 πuz v/m.
– 18 πuz v/m.
– 72 πuz v/m.
– 10 uz v/m.
– 360 πuz v/m.
– 18 πuz v/m.
Answer
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Electromagnetic Field Theory
A solid sphere made of insulating material has a radius R and has a total charge Q distributed uniformly in its volume. What is the magnitude of electric field intensity, E, at a distance r (o less than r less than R) inside the sphere
3 Qr/(4 π εo R3).
QR/(4π εo r3).
Q/(4 π εo r3).
Qr/(4 π εo R3).
3 Qr/(4 π εo R3).
QR/(4π εo r3).
Q/(4 π εo r3).
Qr/(4 π εo R3).
Answer
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Electromagnetic Field Theory
The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is
15 W.
20 W.
25 W.
50 W.
15 W.
20 W.
25 W.
50 W.
Answer
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