Effects of electric current — Formula Sheet
Maharashtra Board · Class 10 · Science
8 formulas from Effects of electric current (Maharashtra Board Class 10 Science) on one page, grouped by topic.
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Formulas and Key Relations
1. Energy transfer and heating effect
P = V_AB × I
H = P × t = V_AB × I × t
V_AB = I × R
H = V_AB^2 × t / R
H = I^2 × R × t
Heat produced in a resistor is H = V_AB × I × t.
Key relations
The formula is H = I² × R × t.
1 kWh = 1000 W × 3600 s = 3.6 × 10^6 J.
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