Electric Forces and Fields

The net force due to different charges around a single charge can be determined using superposition principle. True or False?

• True

• False

Tags

NGSS.HS-PS2-4

According to Coulomb's Law, The greater the separation distance between two charges the greater the magnitude of the electric force. True or False?

• True

• False

Tags

NGSS.HS-PS2-4

Coulomb's Law states that the electric force is directly proportional to the product of the two charges and inversely proportional to the distance between them. True or False?

• True

• False

• not enough information

Tags

NGSS.HS-PS2-4

The mass of a single electron is equal to 9.109x10^-31C. True or False?

• True

• False

The separation distance between two charges is equal to r=√(k.(q₁q₂/F_e)). True of False

• True

• False

Tags

NGSS.HS-PS2-4

Electric field is directly proportional to the charge and inversely proportional to the magnitude of electric force. True or False?

• True

• False

Tags

NGSS.HS-PS2-4

The electric field lines for a positive charge is always directed away from the charge. True or False?

• True

• False

Electric force is also equal to the electric field multiply with a charge. True or False?

• True

• False

The S.I. unit for electric field is__________?

• nC

• μC

• n/C

• N/m

• none of the above

Electric charges are created ______.

• by gravitational forces.

• separately.

• between 2 oppositely charged objects.

• by neutrons.