Question and answer
A current can be produced in a coil of wire _____. when a core of iron rests in the coil as a core of iron is being thrust through the coil when a magnet rests in the coil as a magnet is being thrust through the coil
A current can be produced in a coil of wire : as a magnet is being thrust through the coil.
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Asked 12/15/2015 10:53:03 AM
Updated 12/15/2015 12:14:03 PM
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This answer has been confirmed as correct and helpful.
Edited by jeifunk [12/15/2015 12:14:02 PM], Confirmed by jeifunk [12/15/2015 12:14:03 PM]
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Earth's magnetic field is most likely to be overburdened due to _____. sunspots the solar wind a solar flare a magnetar
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Simplify. (-4a 3)3·a 4 64a13 -64a13 -64a10 -4a10
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(y^3)^5 · y^4,
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Updated 2/5/2016 2:21:32 PM
1 Answer/Comment
Air spaces are used in insulation because air is a poor conductor.

Added 2/5/2016 11:25:43 AM
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If the work put into a lever is 930 joules and the work accomplished is 870 joules, the efficiency of the lever is _____. 107% 100% 94% 60%
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Updated 12/10/2015 11:06:43 AM
1 Answer/Comment
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