# Electric Fields Quiz

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## 6 Questions

### What is the formula to calculate the electric field intensity?

E = k * (Q / r^2)

### In which direction does an electric field point around a positive point charge?

Away from the charge

### What happens to the electric field between two parallel plates when the distance between the plates increases?

The electric field weakens

### What is the SI unit of electric field strength?

Newton per Coulomb

### What happens to the electric field strength when the distance from a point charge is doubled?

It becomes one-fourth

### In which direction does the electric field point around a negative point charge?

Away from the charge

## Study Notes

### Electric Field Intensity

• The formula to calculate the electric field intensity is not provided, but it is commonly denoted as E and measured in units of Newtons per Coulomb (N/C).

### Electric Field Direction

• Around a positive point charge, the electric field points radially outward from the charge.
• Around a negative point charge, the electric field points radially inward towards the charge.

### Electric Field Between Parallel Plates

• When the distance between two parallel plates increases, the electric field between the plates decreases.

### Electric Field Strength

• The SI unit of electric field strength is Newtons per Coulomb (N/C).
• When the distance from a point charge is doubled, the electric field strength decreases by a factor of four (1/4).

Test your knowledge of electric fields with this quiz. Explore the formula for calculating electric field intensity, the direction of an electric field around a positive point charge, and the effects of increasing distance between parallel plates on the electric field.

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