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Cards In This Set
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Compared to ultraviolet waves, the wavelength of infrared waves is...
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Longer.
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Materials generallyh become warmer when light is...
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Absorbed by them.
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Moving electric charges will interact with...
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An electric force or a magnetic field.
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To say that electric charge is conserved is to say that electrc charge...
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Can neither be created nor destroyed.
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A device that transforms electrical energy to mechanical energy is a...
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Motor.
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The complementary color of blue is...
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Yellow.
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The voltage across the input terminals of a transformer is 110 V. The primary has 50 loops and the secondary has 25 loops. The voltage the transformer puts out is...
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55 V.
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When a light switch is turned on in a dc circuit, the average speed of electrons in the lamp is...
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Less than 1 cm/s.
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A conductor differs from an insulator in that a conductor...a)has more protons than electrons. b) has faster moving molecules. c) has more energy than an insulator. d) has more electrons than protons.
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None.
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Thrust a magnet into a coil of wire and the coil...
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Becomes an electromagnet and has a current in it.
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Electrons are made to flow in a wire when there is...
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A potential difference across its ends.
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A sheet of red paper will look black when illuminated with...
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Cyan light.
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The electric field around an isolated electron has a certain strength 1 cm from the electron. The electric field strength 2 cm from the electron is....a) half as much. b) four times as much. c) the same. d) twice as much.
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None.
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The fact that you can get sunburned while submerged in water is evidence that water ...
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Transmits ultraviolet light.
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Connect a pair of lamps in series and you draw current from the connected battery. Connect the same lamps in parallel and you draw...
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More current.
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