How to calculate voltage?

1.	How to calculate voltage?
Answer» V=W/Q V=Work done / Charge Voltage, also called as electromotive force is simply the energy per unit charge. In other words, voltage is the difference in electric potential between two points.The SI unit of voltage is Volts (V).Note:\xa01 Volt= 1 Joule/coulomb.One of the formulas to calculate voltage is:V= Work done/Charge V = IR

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