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FORMULA CHAPTER

Chapter 08 – Current Electricity

ICSEClass 10Physics16 formulas
Complete ICSE Class 10 Chapter 08 formulas for current, voltage, resistance, Ohm’s law, resistor combinations, electrical power and energy.
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1
\mathrm{EMF}=\frac{\mathrm{W}}{\mathrm{Q}}
2
\mathrm{V}_{1}-\mathrm{V}_{2}=\frac{\mathrm{W}}{\mathrm{Q}}
3
\mathrm{I}=\frac{\mathrm{Q}}{\mathrm{t}}
4
\mathrm{V}=\mathrm{I}\mathrm{R}
5
V = E − I × r
6
\mathrm{R}=\frac{\mathrm{\rho}\mathrm{l}}{\mathrm{A}}
7
\mathrm{\sigma}=\frac{1}{\mathrm{\rho}}=\frac{\mathrm{l}}{\mathrm{R}\mathrm{A}}
8
R = R₁ + R₂ + R₃
9
\frac{1}{\mathrm{R}}=\frac{1}{\mathrm{R_1}}+\frac{1}{\mathrm{R_2}}+\frac{1}{\mathrm{R_3}}
10
\mathrm{I}=\frac{\mathrm{nE}}{\mathrm{R}+\mathrm{n}\mathrm{r}}
11
\mathrm{I}=\frac{\mathrm{nE}}{\mathrm{nR}+\mathrm{r}}
12
\mathrm{H}=\mathrm{I}^{2}\mathrm{R}\mathrm{t}
13
\mathrm{W}=\mathrm{VIt}=\mathrm{I}^{2}\mathrm{R}\mathrm{t}=\frac{\mathrm{V}^{2}\mathrm{t}}{\mathrm{R}}
14
\mathrm{P}=\frac{\mathrm{W}}{\mathrm{t}}
15
P = V × I
16
W = V × Q