LifePac Grade 12 Physics Unit 6 Test 1206 Exam Questions and Correct

LifePac Grade 12 Physics: Unit 6 Test 1206 Exam
Questions and Correct

1. False correct answer: True or False
Negative charges repel positive charges.
2. True correct answer: True or False
A positive charge indicates a lack of free electrons in a body.
3. True correct answer: True or False
Electrical charges exist in the sea and in the air.
4. False correct answer: True or False
Charges do not exist in outer space.
5. False correct answer: True or False
Coulomb's law describes gravitational attraction.
6. True correct answer: True or False
An insulator does not allow electrons to flow freely through it.
7. True correct answer: True or False
Coulomb's law predicts that charged bodies may attract or repel each other.
8. False correct answer: True or False
Coulomb's law states that the attraction between two unlike charged bodies varies directly as the
distance between
them.
9. True correct answer: True or False
Electric fields have magnitude and direction.
10. True correct answer: True or False
An electric field is a measure of the force on a unit positive charge.
11. work correct answer: Potential energy is
the ability to do .
12. charged correct answer:
Electric fields exist at a distance from two spheres.
13. magnetic correct answer: Electric
fields are similar in form to fields.
14. current correct answer: The storage