Electromagnetic-theory Questions Set 9:
How many lobes does an array of 7 isotropic antennas have?
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The energy stored in an inductor with inductance 2H and current flowing through it 4A is?
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Calculate the electromotive force (emf) of a coil with 100 turns and a flux rate of 6 units.
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The magnitude of the magnetic field intensity at a radius of 2 m from a long linear conductor is 1 A/m. What is the current in the wire, in Amps?
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The a.c. voltage across a resistance can be measured using a
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If the electrostatic field produced across a dielectric is 50 times greater than the field in air, what will be the dielectric constant of the dielectric?
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A 300mm long conductor is carrying a current of 10A and is situated at right angles to a magnetic field having a flux density of 0.8T the force on the conductor will be
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What are the spherical coordinates of the point (x=-3, y=2, z=1)?
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The condition for maximum power in a DC motor is:
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When a diamagnetic substance is brought near the North or South Pole of a bar magnet, it is
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