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Question

Which of the following obeys Ohm's law?

A
Transistor
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B
Nichrome
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C
Diode
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D
Liquid electrolyte
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Solution

The correct option is A Nichrome
Nichrome , an alloy , is made such that its resistance remains constant for a wide range of temperature . Hence it is considered as ohmic i.e. it follows Ohm's law , whereas a Transistor , Diode and Liquid electrolyte don't follow Ohm's law .

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