GP12

Which of the following types of charging would create an opposite charge, without contact, and is considered temporary since electrons do not transfer between objects?

• Induction

• Friction

• Conduction

• Grounding

You use a positively charged PVC pipe to charge an initially neutral metal sphere by conduction.  During conduction the sphere becomes __________.

• negative

• positive

• neutral

• zero

Two like charges (+) and (+) will _________.

• attract

• repel

• attract and repel

• either attract or repel

Which is NOT true about electrostatic interactions?

• like charges repel

• unlike charges attract

• any charged object repel on a neutral object

• any charged object can attract a neutral object

What is the unit of electric charge?

• Ohms

• Coulomb

• Newton

The following are materials that does not allow current to pass through, EXCEPT:

• cloth     

•  steel

• glass

• rubber

Charging of objects could happen through

i. friction              ii. induction         iii. Conduction

• i and ii only

• ii and iii only

• i and iii only

• i, ii, iii

Which type of circuit use branches to allow current to pass through more than one path?

• series

• parallel

• open

• closed

Who developed the Kirchhoff’s Rule?

• Guztav Kirchhoff

• Justav Kirchhoff

• Gustav Kirchhoff

• Juztav Kirchhoff