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400 J of heat is produced …

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400 J of heat is produced in 4s in a 4 ohm resistors find the potential difference across the resistors

Posted by Nancy Rajput 6 years, 9 months ago

CBSE > Class 10 > Science

8 answers

Aditi Sharma 6 years, 9 months ago

Hmm..u r ri8??

Devild Back 6 years, 9 months ago

Aditi pd ja liy a my formula will best and easier

Aditi Sharma 6 years, 9 months ago

Heat=I^2RT.. So 400=i^2 * 4 *4=> 25= i^2.. =>i=5 amp...we knw,v=i*r so...v=5*4=20v.. ??

Devild Back 6 years, 9 months ago

Soory v^2/r*t

Nancy Rajput 6 years, 9 months ago

Ok

Devild Back 6 years, 9 months ago

Power =v^2i t

Nancy Rajput 6 years, 9 months ago

Give me solution

Aditi Sharma 6 years, 9 months ago

20 v

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