30. For which of the following the V-I graph
is not a straight line pass through origin?
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1) CU 2) LED 3) A 4) Fe
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In electrical terms, it is said that if the V-I characteristics of a material is a straight line passing through the origin then it is said to be an ohmic conductor.
In that case, the conductor obeys Ohms Law. i.e, V is directly proportional to I. V=IR
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Answer:
bhai grap ka photo bhajo
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