You put a 1.5-V battery across a piece of material, and a 100-mA current flows. With a

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You put a 1.5-V battery across a piece of material, and a 100-mA current flows. With a 9-V battery, the current increases to 400 mA. Is the material ohmic or not?

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Essential University Physics

ISBN: 978-0321976420

3rd Edition Volume 2

Authors: Richard Wolfsonby

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Question Posted: Feb 13, 2019 11:02 AM

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You put a 1.5-V battery across a piece of material, and a 100-mA current flows. With a

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