What do you mean by crossed fields?

Explanation

To understand what is meant by "crossed fields," we can break down the concept step by step:

### Step-by-Step Solution:

1. **Definition of Fields**: In physics, fields refer to regions of space where a force is exerted by a physical quantity. The two primary types of fields we are discussing here are electric fields and magnetic fields.

2. **Electric Field**: An electric field is created by electric charges and exerts a force on other electric charges within the field. The direction of the electric field is defined as the direction a positive test charge would move.

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