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CBSE Class 10 Answered

Derive Joules law of heating step by step (5 marks)
Asked by suvarnaapkare | 15 Mar, 2024, 04:59: PM
answered-by-expert Expert Answer

Energy dissipated across a coductor due to current passing through it =  ( Electrical power dissipation ) × time

Electrical power dissipation = Electric Potential difference × Current

Let I is current passing through conductor of resistance R.

Electric potential difference = Current × Resistance = I × R

Electrical power dissipation = I × R × I  = I2 R

Let t be the time duration of current passing through conductor.

Energy dissipated across a coductor due to current passing through it = I2 R × t

Answered by Thiyagarajan K | 16 Mar, 2024, 08:07: AM

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