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write all the formula from the chapter electricity​

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Electricity Formulas

Electricity is the flow of charge in a conductor from anode to cathode. Electricity has varied applications It acts as a tool to provide power to electrical devices. We can say the flow of charge builds up the current which we call as Electricity. To understand how the Electricity is generated, we need to understand the various basic parameters related to it like the voltage, current, resistance, conductivity and relation among them.

Electricity Formula Diagram

Some of the commonly used Electricity formulae are listed below.

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)

Electricity Formulas are applied in calculating the unknown electrical parameters from the known in electric circuits.