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Differentiate between voltage and current

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Differentiate between voltage and current
  • 2 answers

Yogita Ingle 5 years, 2 months ago

Voltage

<th>Current</th>
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. Current is just the rate of flow of electric charge. In simple words, current is the rate at which electric charge flows in a circuit at a particular point.
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.

Voltage is denoted by “V”.

Current is denoted by “I”.

Voltage can be measured by using a Voltmeter.

Current can be measured by using an Ammeter.

Voltage is the cause of the current.

Current is the effect of the voltage i.e. current cannot flow without voltage.

One of the formulas to calculate voltage is:

V= Work done/Charge

One of the formulas to calculate current is:

I= Charge/ Time

Rehan Mohammad 5 years, 2 months ago

Comparison chart Current versus Voltage comparison chart Current Voltage Symbol I V Definition Current is the rate at which electric charge flows past a point in a circuit. In other words, current is the rate of flow of electric charge. Voltage, also called electromotive force, is the potential difference in charge between two points in an electrical field. In other words, voltage is the "energy per unit charge”. Unit A or amps or amperage V or volts or voltage Relationship Current is the effect (voltage being the cause). Current cannot flow without Voltage. Voltage is the cause and current is its effect. Voltage can exist without current. Measuring Instrument Ammeter Voltmeter SI Unit 1 ampere =1 coulomb/second. 1 volt = 1 joule/coulomb. (V=W/C) Field created A magnetic field An electrostatic field In series connection Current is the same through all components connected in series. Voltage gets distributed over components connected in series. In a parallel connection Current gets distributed over components connected in parallel. Voltages are the same across all components connected in parallel.
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