Exam 10: Static and Current Electricity

The ratio of the potential difference across a metallic conductor to the current in the conductor is known as

The unit of electric charge, the coulomb, is the charge on

Electrons are made to flow in a wire when there is

In a common dc circuit, electrons move at speeds of

An electroscope is charged positively as shown by foil leaves that stand apart. As a negative charge is brought close to the electroscope, the leaves

The electric power of a lamp that carries 2 A at 120 V is

Assume that 10 J of work is needed to push a charge, at rest, into an electric field. After the charge is released there, it flies back to its starting position and its kinetic energy there will be

Compared to the resistance of two resistors connected in series, the same two resistors connected in parallel have

A difference between electric forces and gravitational forces is that gravitational forces are not affected by

A proton and an electron are placed in an electric field. Which undergoes the greater acceleration?

If 0.8 A of current flow through a light bulb connected to a 120 V outlet, the power consumed is

A woman experiences an electrical shock. The electrons making the shock come from the

To say that an object is electrically polarized is to say

The source of electrons lighting an incandescent ac light bulb is

The number of electrons delivered daily to an average American home by an average power utility in the mid 1980s was

If you use 10 J of work to push a coulomb of charge into an electric field, its voltage with respect to its starting position is

In an ac circuit, the electric field

The headlights, radio, and defroster fan in an automobile are connected in

The current through a 10-ohm resistor connected to a 120-V power supply is

If you comb your hair and the comb becomes positively charged, then your hair becomes