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Electromagnetic Field Theory
In an inductor current cannot change abruptly. Comment on the statement.
False.
True partially.
True.
Cannot comment.
False.
True partially.
True.
Cannot comment.
Answer
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Related Question
Electromagnetic Field Theory
The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing?
0 mH.
5 mH.
10 mH.
20 mH.
0 mH.
5 mH.
10 mH.
20 mH.
Answer
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Electromagnetic Field Theory
An open wire transmission line having a characteristic impedance of 600 ohms is terminated by a resistive load of 900 O. The standing wave ratio will be
4.5
1.5
2.5
3.5
4.5
1.5
2.5
3.5
Answer
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Electromagnetic Field Theory
A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is
2 ux.
0.
– 2 ux.
– uy.
2 ux.
0.
– 2 ux.
– uy.
Answer
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Electromagnetic Field Theory
Unit of electric flux density is
weber / meter2.
coulomb / meter2.
coulomb.
farad / meter.
weber / meter2.
coulomb / meter2.
coulomb.
farad / meter.
Answer
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Electromagnetic Field Theory
Find the strength of the magnetic field when a 2m long conductor is moving with a velocity 4m/s inducing an emf of 20V.
5T.
10T.
0.5T.
2.5T.
5T.
10T.
0.5T.
2.5T.
Answer
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