What is dielectric strength?

Explanation

**Step-by-Step Text Solution:**

1. **Definition of Dielectric Strength**: Dielectric strength is defined as the maximum electric field that a dielectric material can withstand without experiencing breakdown or failure. It is a measure of the material's ability to insulate against electric current.

2. **Understanding Dielectric Materials**: Dielectric materials are insulators that can be polarized in the presence of an electric field. When an electric field is applied, the positive and negative charges within the dielectric material shift slightly, creating dipoles.

3. **Behavior of Charges in an Electric Field**: In an electric field, positive charges tend to move in the direction of the field, while negative charges move in the opposite direction. This movement creates a force on the charges, which can lead to the formation of dipoles.

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