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# Difference Between Ammeter and Voltmeter

There are two ways to measure electricity; one is by measuring current where ammeter is being used and another by measuring the voltage where voltmeter is being used. Both of these devices are used in electric circuits but the major difference between voltmeter and ammeter is ammeter comes in handy for measuring the flow of current whereas the voltmeter comes in handy for measuring the voltage or emf across two points in an electric circuit. ## Difference Between Ammeter and Voltmeter

The ammeter is used from measuring small amount of current and the result is displayed in milliamperes when it is kept in series with the circuit to be measured so that the entire current in the circuit is passing through it.

Voltmeter is parallely connected with the electric circuit in order to measure the potential. Both the devices has same connection polarity which is the negative potential is joined with the negative polarity and positive terminal is joined with the positive polarity of the supply.

Difference Between Ammeter and Voltmeter
Ammeter Voltmeter
It is used to measure current It is used to measure voltage across two points
Resistance is low Resistance is high
It is connected in series with the circuit and its accuracy is more It is connected in parallel with the circuit and its accuracy is less
Changing of range is not possible Changing of range is possible
For ideal ammeter, the value of resistance is 0 For ideal voltmeter, the value of resistance is approximately infinity
It is denoted by a symbol A It is denoted by a symbol V

These were some difference between ammeter and voltmeter. If you wish to find out more, download BYJU’S – The Learning App.

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## Frequently Asked Questions – FAQs

### What is an ammeter?

An ammeter is a device that is used to measure electric current, It is connected in series with the circuit and its accuracy is more.

### What is voltmeter?

A voltmeter is a device that is used to measure voltage across two points, it is connected in parallel with the circuit and its accuracy is less

### Define Voltage

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.

### Define Current.

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.

### What is current electricity?

Current electricity is defined as the flow of electrons from one section of the circuit to another.
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