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421376

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A current is flowing east along a power line. If we neglect the earth's field, the direction of the magnetic field below the line is

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421377

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During summer months, the increased load is due to

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Which of the following components of a dc generator plays vital role for providing direct current of a dc generator?

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421379

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Which of the following is most suitable for running in parallel operation?

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In a shaded pole motor rotating magnetic field is produced by using

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421381

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A single phase induction motor employs ____ rotor.

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421382

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A material used in making heating elements.

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The power is to be measured for a balanced delta connected load whose terminals can not be opened. How many wattmeters do you need?

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421384

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Carbon brushes are used on dc motors to

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421385

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The power dissipated in a pure capacitor is

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421386

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Out of the following, select the best conductor of electricity.

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421387

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The speed of a series motor at no-load is

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421388

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As the magnetic field intensity increases, the relative permeability of a material

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421389

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Two wattmeters can be used to measure 3 phase power for a

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421390

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Two parallel wires carry currents in the same direction.

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