3RD QUARTER REVIEW IN PHYSICS 2

What does it mean when the electric field lines are close together?

• the field is positive

• the field is negative

• the field is strong

• the field is weak

Electric lines of force about negative point charge are:

• Circular, anticlockwise

• Circular, clockwise

• Radial, outward

• Radial, inward

It is a form of energy resulting from the existence of charged particles (such as electrons or protons), either statically as an accumulation of charge or dynamically as a current.

• Force

• Charge

• Electricity

• Magnetism

Which among the choices is a good example of static electricity?

• Occurrence of lightning

• Electric Generators

• Grounding

• Repulsion between like charges

What will possibly happen to these charges?

• Repel

• Transfer

• Switch

• Attract

Electric field is directly proportional to the charge and inversely proportional to the magnitude of electric force.

• True

• False

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

• True

• False

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

• False

The electric field lines for a positive charge is always directed away from the charge.

• True

• False

If you rub a glass rod with a piece of silk, the rod becomes positively charged. This means that _.

• friction destroyed electrons in the rod.

• protons have moved to the rod.

• the silk has become negatively charged.

• glass attracts more protons.