Get a board a marker

and a wipey thing

Neutral objects always have equal numbers of

which subatomic particles?

What is the most massive positively charged particle?

A) electron B) Proton C) Positron D) Neutron

A negative rod is brought near a neutral pith ball. What happens to the charges in the pith ball?

If a negatively charged object is brought near the knob of a

neutral electroscope what will the leaves do?

When hair is combed with a hard rubber

comb, the hair becomes positive.

Why?

6. A neutral rubber rod is rubbed with fur and

acquires a -2 x 10-6 Coulomb charge. What

is the charge on the fur?

Draw a neutral electroscope being

charged by conduction

In the charging of a solid, charge transfer is

accomplished by the displacement of what?

9. Metal sphere A has a charge of -2 units and an identical sphere B has a

charge of -4 units. If the two spheres are brought together and then separated, what will be the charge on sphere A?

The Milliken oil drop experiment showed the

existence of what?

11. How many Coulombs are in three elementary charges?

(1.6 x 10-19C) x 3 =

If the charge on each of two small spheres, a fixed

distance apart, is doubled, how does the

force of attraction between the charges

change?

If the charge on one object is quadrupled and the charge

on the other object is doubled, what happens to

the force of attraction between the two charges?

+1 +1 A

What is the direction of the electric field at

point A?

+1 +1

A hollow metallic sphere is positively charged. The field at the center of the

sphere due to this positive charge looks like

what?

What is the magnitude of the electric field

intensity at a point in the field where an

electron experiences a 1.0 Newton Force?

6.25 x 1018 N/C

A and B are electron locations. Which has

more potential difference (Voltage)?

+++++++++++++ A B

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How much energy is required to move 3.2 x

10-19 Coulombs of charge through a

potential difference of 5 volts?

What is a capacitor used for?

Describe practical uses of statics.

Name three things to avoid in a lightning storm

What was this machine used for?