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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.
0.5m.
0.6m.
6.25m.
5.25m.
0.5m.
0.6m.
Answer
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Related Question
Electromagnetic Field Theory
The electric field on a plane is decribed by . The field due to
a dipole and a monopole.
a dipole.
none of above.
a monopole.
a dipole and a monopole.
a dipole.
none of above.
a monopole.
Answer
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Electromagnetic Field Theory
In an impedance smith chart, a clockwise movement along a constant resistance circle gives rise to
No change in the impedance value
No change in the reactance value
Decrease in the value of reactance
An increase in the value of reactance
No change in the impedance value
No change in the reactance value
Decrease in the value of reactance
An increase in the value of reactance
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.
50 W.
20 W.
25 W.
15 W.
50 W.
20 W.
25 W.
Answer
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Electromagnetic Field Theory
Magnetic flux density emerging out of a closed surface is
infinite.
depends on magnetic movements inside the closed surface.
zero.
depends on magnetic movements outside the closed surface
infinite.
depends on magnetic movements inside the closed surface.
zero.
depends on magnetic movements outside the closed surface
Answer
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Electromagnetic Field Theory
The static electric field in a conductor is
None of these
Zero
Infinity
Unity
None of these
Zero
Infinity
Unity
Answer
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