What is the correct variable and unit for current?

What is the correct variable and unit for resistance?

If you comb your hair and the comb becomes negatively charged, your hair has likely become:

Electrons and protons:

Circuit breakers are used to:

Imagine four bulbs connected in series. If you remove the first bulb, the other light bulbs:

Imagine four bulbs connected in parallel. If you remove the first bulb, the other light bulbs:

Imagine a circuit diagram. What symbol is used to represent resistance?

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

Electrical resistance in a wire depends on the wire's:

A positive ion has:

An open circuit is a circuit in which charge:

Charge carriers in a metal are electrons rather than protons, because electrons are:

The total resistance of a 10 Ω resistor and a 7 Ω resistor in series is:

The total resistance of a 6 Ω resistor and a 12 Ω resistor in parallel is:

A neutron has a _________ charge.

Which of the following accurately summarizes the rules for totaling V, I, and R in series?

Which of the following accurately summarizes the rules for totaling V, I, and R in parallel?

 $V\ =\ IR\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ P\ =\ IV=I^2R$  What is the resistance of a toaster that uses 5 A of current when connected to a 120 volt power source?

 $V\ =\ IR$  When connected to a 110 volt power supply, how much current is in a light bulb that has a resistance of 220 ohms?

 $P\ =\ IV\ =\ I^2R$  A power line with a resistance of 9 ohms has a current of 80 A in it. The power dissipated (lost) in the line is:

Electrical forces between charges are strongest when the charges are:

As more lamps are put into a series circuit, the overall current:

As more lamps are put into a parallel circuit, the overall current:

Which of the following applies to a parallel circuit, NOT a series circuit:

In order for current to flow in a circuit, you must have:

What symbol is used to represent voltage in a schematic or circuit diagram?

What is the principle of conservation of charge?

A material through which electrical charge can flow is:

What is electrical potential difference?

Something that controls the flow of electrical current is:

 $V\ =\ IR$  Ohm's law states which of the following:

Is the resistance of your body much greater when you're wet than when your skin is dry? How do you know?

If power and voltage on a lightbulb read "50 W, 100 V," how much current will flow through the bulb?

The reason a charged balloon will stick to a wall is that:

Electric current is the flow of:

 $F\ =\ \frac{kq1q2}{d^2}$  Coulomb's law states that the force between any two charges depends:

 $F\ =\ \frac{kq1q2}{d^2}$  Susie rubs two balloons in her hair, causing the balloons to become negatively charged with 1 x 10 -6 C. She holds them a distance of 2 m apart. What is the electric force between the two balloons?

 $F\ =\ \frac{kq1q2}{d^2}\$  What must be the distance between charge q1 = 10 x 10^-6 C and charge q2 = 20 x 10^-6 C for the electric force between them to be 6 N?

When reading a resistor, which band(s) should you check for the "digit" column?

When reading a resistor, which band(s) should you check for the "multiplier" column?