A laptop battery has an emf of 10.8 V. The laptop uses 0.70 A while running. a. How much charge

step 1 We have a laptop battery that has an EMF of 10 .8 volts and a current of 0 .7 amps. So there are

A laptop battery has an emf of 10.8 V. The laptop uses 0.70...

A laptop battery has an emf of $10.8 \mathrm{V}$. The laptop uses $0.70 \mathrm{A}$ while running.
a. How much charge moves through the battery each second?
b. By how much does the electric potential energy of this charge increase as it moves through the battery?

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Electric Current

Electric current is the rate at which charge flows through a conductor, measured in amperes (A), where one ampere equals one coulomb of charge per second. It is a fundamental concept in circuit analysis and describes how electrons or other charge carriers move in response to an electric field.

Charge

Charge is a basic property of matter that causes it to experience a force when placed in an electromagnetic field, measured in coulombs (C). In the context of circuits, charge flow is central to producing current, and its movement is directly linked to the operation of electrical devices.

Electromotive Force (emf)

Electromotive force (emf) refers to the energy provided per unit charge by a power source, such as a battery, and is measured in volts (V). It represents the potential difference that drives the movement of charge through a circuit, converting chemical energy or another form of energy into electrical energy.

Electric Potential Energy

Electric potential energy is the energy that a charge possesses due to its position within an electric field. This concept is crucial as it quantifies the work done in moving charge between different points in a circuit, relating the energy stored or delivered by a power source to the corresponding voltage and charge moved.

Transcript

Please give Ace some feedback