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Electromagnetic Field Theory
A conductor of length 1 metre moves at right angles to magnetic field of flux density 1 Wb/m2 with a velocity of 25 m/s. The induced emf in the conductor will be
100 V.
25 V.
75 V.
50 V.
100 V.
25 V.
75 V.
50 V.
Answer
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Related Question
Electromagnetic Field Theory
Two coupled coils with L1 = L2 = 0.6 H have a coupling coefficient of K = 0.8. The turns ratio N1/N2 is
2.
1.
4.
0.5.
2.
1.
4.
0.5.
Answer
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Electromagnetic Field Theory
RF inductor are characterized by
high current rating and low resistance.
low current rating and high resistance.
high current rating and high resistance.
low current rating and low resistance.
high current rating and low resistance.
low current rating and high resistance.
high current rating and high resistance.
low current rating and low resistance.
Answer
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Electromagnetic Field Theory
Voltage applied across a dielectric produces an electrostatic field 50 times greater than air. The dielectric constant of the dielectric will be
50.
20.
5.
10.
50.
20.
5.
10.
Answer
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Electromagnetic Field Theory
A vector field A = p In is given in Cartesian coordinates. In cylindrical coordinates it will be represented as
A = cosφ Ir - sinφ Ir.
A = cosφ Ir.
A = sinφ Ir.
A = cosφ Ir + sinφ Iφ.
A = cosφ Ir - sinφ Ir.
A = cosφ Ir.
A = sinφ Ir.
A = cosφ Ir + sinφ Iφ.
Answer
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Electromagnetic Field Theory
1 Maxwell is the same as
10-8 weber.
104 weber.
10-8 weber.
10-4 weber.
10-8 weber.
104 weber.
10-8 weber.
10-4 weber.
Answer
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