Question

A voltmeter indicates that the electric potential difference between two plates is $70.0 \mathrm{V}$. The plates are $0.020 \mathrm{m}$ apart. What electric field intensity exists between them?

   A voltmeter indicates that the electric potential difference between two plates is $70.0 \mathrm{V}$. The plates are $0.020 \mathrm{m}$ apart. What electric field intensity exists between them?

Physics Principle and Problems

Physics Principle and Problems

Paul W. Zitzewitz,… 1st Edition

Chapter 21, Problem 81

Instant Answer

Solved by Expert Dading Chen

05/28/2020

Step 1

Step 1: The electric field intensity (E) between two plates can be calculated using the formula: \[E = \frac{V}{d}\] where V is the potential difference and d is the distance between the plates. Show more…

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A voltmeter indicates that the electric potential difference between two plates is $70.0 \mathrm{V}$. The plates are $0.020 \mathrm{m}$ apart. What electric field intensity exists between them?

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Key Concepts

Electric Field

The electric field is a vector field that characterizes the force exerted per unit charge at any point in space. Its magnitude is a measure of how strongly a charge is influenced by other charges or fields, and it is typically measured in volts per meter (V/m) or newtons per coulomb (N/C).

Electric Potential Difference

Electric potential difference, also known as voltage, is defined as the work done per unit charge in moving a charge between two points in an electric field. It quantifies the energy difference due to an electric field between those points and acts as the driving force for charge movement.

Relationship between Electric Field and Potential Difference

In a uniform electric field, the electric field intensity is directly related to the electric potential difference and inversely proportional to the separation distance between two points. This relationship is mathematically expressed as E = ?V/d, where E is the electric field intensity, ?V is the potential difference, and d is the distance between the points.

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