A stream of protons is moving parallel to a stream of electrons. Will the two stream tend to come closer or move apart?

Explanation

To determine whether the streams of protons and electrons will come closer or move apart, we can analyze the situation step by step.

### Step-by-Step Solution:

1. **Identify the Direction of Current:**
- Protons are positively charged particles. When they move in a certain direction, they create a current in that direction.
- Electrons are negatively charged particles. When they move in the opposite direction, they create a current in the opposite direction.

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