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What is the relation between power …

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What is the relation between power and resistance?

Posted by Arpit Raj 6 years ago

CBSE > Class 10 > Science

3 answers

Harsh Kumar Verma 6 years ago

Yogita ingle where is the formula mentioned above

Raunak Chauhan 6 years ago

Power is inversely proportional to the Resistance. This means if we decrease resistance power will increased and if resistance increase power will be decrease

Yogita Ingle 6 years ago

Both the formula mentioned above gives the relation between power and resistance. Consider P = I2R the electric power is directly proportional to resistance keeping I constant. Which implies-

When power increases, the resistance will also increase keeping current I constant.
When Resistance decreases, Power also reduces keeping current I constant.

Consider P=V²/R here, Power P is inversely proportional to Resistance R. which implies that-

For any constant Potential difference

When power is high, resistance will be low.
When power is low, the resistance will be high.

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This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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