Skills and Trades

When you place an iron core in the magnetic field of a coil:

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The type of magnet that can be molded to any shape and has a very high electrical resistance is the:

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The strength of the magnetic field about a single conductor:

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The Ohm's law formula for the magnetic circuit is:

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The magnetic force between two poles:

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The interaction of magnetic fields, by creating forces that repel or attract, is a means of ...

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Solenoids can be used to operate:

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Permanent horseshoe-shaped magnets:

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Magnetic shielding of electrical equipment involves:

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Lines of force of two parallel conductors with current flows in opposite directions will:

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In the magnetic circuit the magnitude of the magneto motive force is determined by:

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If the electromagnet is operated with direct current, the polarity of its magnetic poles:

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For the illustration shown, the two conductors would tend to move:

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For the illustration shown, the thumb is pointing in the direction of the:

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Electromagnetic inductance in a transformer is created by:

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Artificial magnets can be produced by:

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Around a magnet, the external lines of force:

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AC voltage is applied to the ________ of a transformer.

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A DC current flow through a conductor will produce:

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Trimmer potentiometers allow for very precise resistance adjustments.

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To connect resistors in parallel they are joined end to end.

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The total resistance for the circuit shown is 1.94 .

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The length and width of the groove on a film-type resistor determines its resistance value.

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The circuit shown has resistors connected in series.

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Rheostats are variable resistors used to control the amount of current flow in a circuit.

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