Physics Quiz 5

A device that produces electricity by transforming chemical energy into electrical energy is called a

A car battery

The total amount of charge that passes through a wire's full cross section at any point per unit of time is referred to as

The direction of convention current is taken to be the direction that

A coulomb per second is the same as

Car batteries are rated in "amp-hours." This is a measure of their

The resistance of a wire is defined as

What is 1 Ohm equivalent to?

The resistance of a wire is

The resistivity of a wire depends on

Which conducting material has the lowest resistivity value?

Consider two copper wires. One has twice the length of the other. How do the resistivities of these two wires compare?

Consider two copper wires. One has twice the length of the other. How do the resistances of these two wires compare?

Consider two copper wires. One has twice the cross-sectional area of the other. How do the resistances of these two wires compare?

Consider two copper wires. One has twice the length and twice the cross-sectional area of the other. How do the resistances of these two wires compare?

The length of a wire is doubled and the radius is doubled. By what factor does the resistance change?

How much more resistance does a 1.0 cm diameter rod have compared to a 2.0 cm diameter rod of the same length and made of the same material?

The resistivity of most common metals

Negative temperature coefficients of resistivity

What is 1 W equivalent to?

A kilowatt-hour is equivalent to

If the resistance in a constant voltage circuit is doubled, the power dissipated by that circuit will

If the voltage across a circuit of constant resistance is doubled, the power dissipated by that circuit will

If the resistance in a circuit with constant current flowing is doubled, the power dissipated by that circuit will

If the current flowing through a circuit of a constant resistance is doubled, the power dissipated by that circuit will