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Coulombs law and Charges

Authored by S B

Physics

9th Grade

40 Questions

NGSS covered

Used 4+ times

Coulombs law and Charges
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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which two particles are attracted to each other?

Two neutrons

A proton and an electron

Two protons

An electron and a neutron

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A repulsive force exists between which two particles?

Two neutrons

An electron and a neutron

An electron and a proton

Two protons

Tags

NGSS.HS-PS2-4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As two oppositely charged particles approach each other, what happens to the electrical force between them?

The attractive force increases

The magnitude of the electric force decreases

The repulsive force increases

The magnitude of their charges increases

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A balloon is rubbed on a student's head. What occurs because of this?

Charged particles on the balloon are destroyed

Positively charged particles move from head to balloon

Charged particles from the balloon are released into the air

Negatively charged particles move from head to balloon

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is the value of the constant in Coulomb's equation?

k = 9·10-9

k = 9.8

k = 6.67·10-11

k = 9 ·109

Tags

NGSS.HS-PS2-4

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In a good insulator, electrons are usually

free to move around
free to move around after an impurity has been added
semi-free to move around
tightly bound in place

Tags

NGSS.HS-PS2-6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What variable is a Coulomb the unit for?

Charge
Force
Distance
Mass

Tags

NGSS.HS-PS2-4

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