You might have observed on a dry day that when you touch the screen of a television or computer monitor (with picture tube), you get a slight shock. Why does it happen?

Explanation

**Step-by-Step Solution:**

1. **Observation of the Phenomenon**: On a dry day, when you touch the screen of a television or computer monitor, you experience a slight shock.

2. **Understanding Static Charge**: The screens of televisions and computer monitors can accumulate static electricity. This static charge builds up on the surface of the screen, especially in dry conditions where humidity is low.

3. **Condition of the Human Body**: When you touch the screen, your body is generally uncharged or neutral. However, the screen has a static charge, which means it has an excess of electrons or a deficiency of electrons.

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