Question

draw v-i graph for an ohmic conductor and list it's two important feature​

Answer 1

Answer:

features:

1) voltage is directly proportional to electric current.

2) voltage is also directly proportional to resistance.

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Answer 2

Answer:

◆Refer to the attachment below for the VI graph of ohmic and non ohmic conductors .

◆Examples of such are,

Ohmic conductor - resistance made of manganin.

Non ohmic conductor - Electrolyte.

Drawbacks of OHM'S LAW

◆Main drawback of Ohm's law is , when it comes to the terminal of battery or voltage source, it's not applicable.

At terminal of battery, voltage is constant with the respect of current.

◆Only when temperature and given conditions during process are constant, ohms law is valid.

Explanation: