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Look for a + by the positive terminal and a - by the negative terminal, or red for positive, black for negative. Some batteries have the positive terminal protruding and the negative terminal flat. Or you can get a meter that will tell you which is which,

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Q: How do you know positive and negative terminals?
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Related questions

How do you represent positive and negative terminals?

Positive + Negative -


How can you distinguish between positive and negative terminals?

Positive terminals typically have a red color or a "+" sign indicated, while negative terminals are usually black or have a "-" sign marked. Additionally, positive terminals are connected to the cathode, while negative terminals are connected to the anode in a battery or electrical device.


What are positive and negative terminals?

Positive and negative terminals are locations on a device or component where electrical connections can be made. The positive terminal typically has a higher voltage potential, while the negative terminal has a lower voltage potential. Ensuring proper connection to these terminals is important for the correct operation of electrical circuits.


Why do electric cell have two terminals?

They are the negative and positive terminals. Higher potential andl ower potential terminals


Is the direction of current through a battery always from negative to positive on the terminals?

Conventional current flow is from positive to negative. Electron flow is from negative to positive


The terminals of a diode are called the?

anode positive potential cathode negative potential


How do you wire a dual voice coil 2 ohm sub at 2 ohms?

connect the both positive terminals together and both negative terminals together. use a multimeter to check any positive and negative terminals


What is a positive terminal on a battery?

There are 2 battery terminals. A positive or hot and a negative or ground. The positive is slightly larger than the negative.


What terminals do the electrons flow through a circuit?

from negative to positive.


What are the parts of a battery?

positive and negative terminals and the battery case


It has a potential difference between the positive and negative terminals?

It is a battery.


What are the colours of the positive and the negative terminals of the rheostat?

A rheostat is simply a variable resistor used to control current. It does not have a positive or a negative terminal.