A neutral object becomes ____charged if electrons are REMOVED.

• positively

• negatively

Two conducting spheres A and B, are placed on insulating stands as shown. A negatively charged balloon is brought near A. With the balloon still nearby, the two spheres are separated by moving the insulating stands. What is the resulting charge on A and B?

• A: Positive

  B: Positive

• A: Negative

  B: Positive

• A: Negative

  B: Negative

• A: Positive

  B: Negative

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

The diagram on the right is an example of ​ (a)  

• charging by convection

• charging by induction

• charging by conduction

• charging by friction

A solid conducting sphere is given a positive charge. How is the charge distributed in or on the sphere?

• It is concentrated at the center of the sphere.

• It is uniformly distributed throughout the sphere.

• Its density decreases radially outward from the center.

• It is distributed at the bottom of the sphere only.

Choose the correct sign of the charge on Can I and Can J

• Can I will be Negative and Can J will be Positive

• Can I will be Positive and Can J will be Negative

• Both cans will be neutral

Tags

NGSS.HS-PS2-4

A negatively charged balloon will be attracted to a neutral wooden cabinet due to polarization. Which one of the following diagrams best depicts why this occurs? 

• A

• B

• C

• D

• F

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

The electrostatic interaction between three objects is as shown. Which of the following is a possible combination of the correct charges on each? Select ALL the right answers (2)

• A: Positive

  B: Positive

  C: Positive

• A: Neutral

  B: Positive

  C: Positive

• A: Negative

  B: Positive

  C: Negative

• A: Neutral

  B: Negative

  C: Negative

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

• A

• B

• C

• D

Which sphere would represent a CONDUCTOR?

• a

• b

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Which sphere would represent an INSULATOR?

• a

• b