When charged objects are brought close to uncharged (neutral) objects, the following occurs inside the neutral object

The laws of electric charges include all of the following except

When you feel or see a spark while touching a doorknob – after rubbing your feet across a carpet, the spark is referred to as

Which of the following examples can be used to demonstrate the behavior of current electricity?

After removing the laundry from the clothes dryer, you notice that two socks are sticking together. An explanation for what has happened is

An electrical current can only be produced if there is a

The units used to measure the flow of an electric current are

Which of the following objects would an electrical current most likely have a difficult time passing through?

When electricity takes a path that is unintended, it is called a

While you are cooking with the hot plate and toasting a slice of bread, the electric heaters start. Almost immediately, the hot plate, toaster, and electric heaters quit working. This most likely happened because

A fuse and a circuit breaker interrupts a circuit when there is too much current flowing. A disadvantage of a fuse is that it

While checking all the fuses and circuit breakers, you notice that in the electrical panel, a 20A fuse has been placed in the circuit designed for a 15A fuse. This is a dangerous situation because

The electrolyte paste, which enables a dry cell to conduct electricity, does so because it contains

The basic components of an electrochemical cell include

A rechargeable battery can be recharged because the

Less expensive products can be coated with a thin layer of an expensive metal (like gold) to make them look more expensive and to make them last longer (prevent rusting). This process is called

Water flow from a faucet can be used to model current, voltage, and resistance. If the faucet is only slightly open, it models increased __________, and decreased ____________.

Using Ohm’s law (V = I × R), calculate how much current is created in a circuit when a 30V battery is connected to a 15Ω resistor.

Resistance varies with the length and thickness of the wire used for resistance. In a wire, resistance increases as the

Electricity flows through superconductors much more easily than through other types of conductors because superconductors have a low

In order for the coiled wires to give off heat, they must be constructed of a material that

Using the schematic diagram above, what are the correct components that make up the circuit?

The circuit shown above, that has only one pathway for the electricity to flow is called a

A circuit diagram that represents the front and back door lights of a cabin wired in parallel is

Which of the following circuit diagrams did the electrician draw?

While servicing an ATV, the mechanic checks to see if the headlights provide sufficient light. Which of the following diagrams illustrates a circuit that would provide the brightest lights for an ATV?

Which of the following circuit diagrams did the electrician draw?

The device on an electric heater that controls how much electric current will flow through the electric heater, and therefore how much heat is produced, is called a

The electricity that comes from power outlets in North American homes has a voltage of 120 V.  A device that required 3000 V would require which of the following components in order to change the voltage?

You read that your light bulb has a power rating of 60 W and a voltage rating of 120 V. What is the current, in amperes (A), passing through the hairdryer?

You use a 1200 W toaster oven to cook a frozen pizza for 30 minutes. How much power did you use to cook the pizza (in kWh)?

The efficiency of the fluorescent tube is

Electrical energy can be produced from other forms of energy, or it can be converted into other kinds of energy. The conversion in a battery is

To which part of the drill do you attach the bit?

Using this drill to make a hole in the wall is an example of converting

How do you increase the speed of a motor?

The generator produces an electric current when a

A light bulb gives off 5J of useful light energy for every 100J of electrical energy used to make it work. What is the efficiency of the light bulb?

To generate electrical energy in a coal power plant, coal is burned to produce steam that turns a ________:

In science class, you learned that approximately 20% of the world's electricity is produced by hydro-electric generators. In order to be viable, these generators must be placed across rivers with large volumes of water passing through them. How does a hydro-electric generator produce electricity?

Electrical energy throughout the world is produced in vast amounts and in various ways. Worldwide, the majority of electrical energy is produced by

Sustainability means using resources at a rate that

Which of the following set-ups should he use in order to conduct a fair test?

What can be done to increase the number of pins that the magnets can attract?

Arrange the circuits in order from the one with the brightest bulbs to the circuit with the least bright bulbs. (Bulbs and batteries in all the circuit are similar)?

Which material was the best conductor?

Which one of the following electrical circuits will produce all the results recorded in the table above?