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Difference between current and voltage

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Difference between current and voltage
  • 1 answers

Yogita Ingle 5 years, 1 month ago

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1 Definition Voltage, also called electromotive force is simply the energy per unit charge. In other words, voltage is the difference in electric potential between two points. Current is just the rate of flow of electric charge. In simple words, the current is the rate at which electric charge flows in a circuit at a particular point.
2 Unit The SI unit of voltage is Volts (V).

 

 

Note: 1 Volt= 1 Joule/coulomb.

The SI unit of current is Ampere (A).

 

 

Note: 1 Ampere = 1 coulomb/second.

3 Denotation Voltage is denoted by “V”. Current is denoted by “I”.
4 Measuring Instrument Voltage can be measured by using a Voltmeter. Current can be measured by using an Ammeter.
5 Inter-relation Voltage is the cause of the current. Current is the effect of the voltage i.e. current cannot flow without voltage.
6 Formula One of the formulas to calculate voltage is:

 

 

V= Work done/Charge

One of the formulas to calculate current is:

 

 

I= Charge/ Time

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