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Electromagnetic Field Theory

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.

 5.25m.
 0.5m.
 6.25m.
 0.6m.

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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

2.5
1.5
4.5
3.5

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Electromagnetic Field Theory
If in a 1 mF capacitor, an instantaneous displacement current of 1 A is to be established in the spaces between its plates then it is possible by applying

 106 volts/sec.
 106 volts.
 106 Amp/sec.
 106 Amp.

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Electromagnetic Field Theory
Which of the following is zero in relation to electromagnetic fields?

 Div curl A.
 Grad div A.
 Div grad V.
 Curl curl A.

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Electromagnetic Field Theory
Magnetic field intensity at centre of circular coil, of diameter 1 m and carrying a current of 2 A is

 4 A/m.
 8 A/m.
 2 A/m.
 1 A/m.

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Electromagnetic Field Theory
A conductor of length L has current I passing through it, when it is placed parallel to strong magnetic field. The force experienced by the conductor will be

 zero.
 BI2L.
 BL2I.
 BIL.

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