1.

I need all the formula of the lesson Electricity ........... class 10

Answer»

<P>Explanation:

QuantityFormulasUnit Current I I = Q / t

Q = Charge

t = time taken

 Amperes (A) Voltage VV = 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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