Potential difference in a single battery

Thread starter Miraj Kayastha
Start date Apr 9, 2014
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Battery Difference Potential Potential difference

In summary, potential difference in a single battery, also known as voltage, is the difference in electric potential between the positive and negative terminals. It is measured in volts using a voltmeter and can be affected by factors such as battery type, chemical composition, temperature, and age. The relationship between potential difference and current is direct, with an increase in potential difference resulting in an increase in current. Potential difference is crucial for the functionality of a single battery as it provides the energy needed to power devices through an electric circuit.

Apr 9, 2014

Miraj Kayastha

When we place a voltmeter across a single battery which is connected to another battery in series, does voltmeter show the emf of the single battery or the sum of emf of both the batteries?

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Apr 9, 2014

Simon Bridge

Science Advisor

Homework Helper

Why not draw out the circuit and work it out?
Recall that a real battery is modeled by an ideal battery in series with a small resistance.

What is potential difference in a single battery?

Potential difference in a single battery, also known as voltage, is the difference in electric potential between the positive and negative terminals of a battery. It is the measure of the amount of energy that can be supplied by the battery to an electric circuit.

How is potential difference measured in a single battery?

Potential difference is measured in volts (V) using a voltmeter. The voltmeter is connected to the positive and negative terminals of the battery to measure the difference in electric potential.

What factors affect the potential difference in a single battery?

The potential difference in a single battery can be affected by the type of battery, its chemical composition, and the number and arrangement of its cells. Temperature and age of the battery can also affect its potential difference.

What is the relationship between potential difference and current in a single battery?

The potential difference and current in a single battery have a direct relationship. This means that an increase in potential difference will result in an increase in current, while a decrease in potential difference will result in a decrease in current.

How does potential difference play a role in the functionality of a single battery?

Potential difference is essential for the functionality of a single battery as it provides the energy needed to drive an electric current through a circuit. Without a potential difference, the battery would not be able to supply the necessary energy to power devices.