Question

give me all formulas of electricity chapter class 10th fast​

Answer 1

Quantity Formulas Unit
Current I I = Q / t
Q = Charge

t = time taken
Amperes (A)
Voltage V V = E / Q
or

V = W / Q

E = Energy, W = Work done
Volts (V)
Resistance R R = ρl / A
ρ = Resistivity,

l = length,

A = Area
Ohm (Ω)
Resistance R R = V / I ohm (Ω)
Power P P = VI Watts (W)
Conductivity σ sigma = 1 / ρ Siemens per meter (S/m)

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Answer 2

p = V*I

H=I²Rt

R=pl/r²

V=IR

Q=ne

I/R=1/r¹+1/r²

R=r+r(for series combination)

V=W/t