Question

question 9 dok 2 5 points
what is static electricity?
select an answer
○ it occurs only when an object (insulator) is near another object (conductor), especially in places with a moist climate.
○ it happens only when children slide down a playground slide.
○ it occurs when an object with extra negative electrons is near another object with a less negative charge and the amount of extra electrons is large enough to make the electrons jump from one source to the other.
○ it happens when an object with extra positive electrons is near another object with a more positive charge and the amount of extra electrons is large enough to make the electrons jump from one source to the other.

Explanation:

1. Analyze the first option: Static electricity is more common in dry climates (not moist), and it can occur between insulators or with conductors, so this is incorrect.
2. Analyze the second option: Static electricity occurs in many situations, not just when children slide down a slide, so this is too limited.
3. Analyze the third option: Static electricity involves charge imbalance (extra negative electrons in one object, less negative in another, leading to electron transfer), which matches the concept.
4. Analyze the fourth option: Electrons are negative; "extra positive electrons" is incorrect, and the charge comparison (more positive vs extra positive) is flawed.

Answer:

The third option (It occurs when an object with extra negative electrons is near another object with a less negative charge and the amount of extra electrons is large enough to make the electrons jump from one source to the other.)