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Electrical Energy, Voltage, Current, and Time Relationship

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Electrical Energy, Voltage, Current, and Time Relationship

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@BestPerformingSynecdoche

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Questions and Answers

What is the relationship between electrical energy (E), voltage (V), current (I), and time (t)?

E = I/Vt

E = VIt (correct)

E = VI/t

E = V/tI

What is the unit of electrical energy (E)?

Coulomb

Volt

Joule (correct)

Ampere

What is the condition for 1 joule of electrical energy to be used?

1 A of current flows through a device with a potential difference of 1 V for 1 s (correct)

1 A of current flows through a device with a potential difference of 0.5 V for 2 s

2 A of current flows through a device with a potential difference of 1 V for 2 s

2 A of current flows through a device with a potential difference of 0.5 V for 1 s

How is the amount of charge (Q) related to current (I) and time (t)?

<p>Q = It</p> Signup and view all the answers

What is the formula for potential difference (V) in terms of electrical energy (E) and charge (Q)?

<p>V = E/Q</p> Signup and view all the answers

Study Notes

The Relationship between Electrical Energy, Voltage, Current, and Time

The formula for potential difference is V = E/Q, where V is the potential difference, E is the electrical energy, and Q is the amount of charge flowing.
Electrical energy (E) can be expressed as E = VQ.
The amount of charge flowing (Q) is equal to the product of current (I) and time (t), denoted as Q = It.
Therefore, the relationship between electrical energy (E), voltage (V), current (I), and time (t) can be formulated as E = VIt.
The S.I. unit for electrical energy (E) is the joule (J).
1 joule (J) is the electrical energy used when 1 ampere (A) of current flows through an electrical device with a potential difference of 1 volt (V) across it for 1 second (s).

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Description

Understanding the relationship between electrical energy, voltage, current, and time based on the formula for potential difference and electric charge.