Electric Current Answers

Measurements of two electric currents are shown in the chart.

Which two wire properties would provide the greatest resistance to the flow of a current?

Which lists types of materials from most conductive to least conductive?

Which most likely has the greatest conductivity?

In the diagram, the arrow shows the movement of electric charges through a wire connected to a battery.

What would decrease the resistance of wires carrying an electric current?

Look at the diagram showing resistance and flow of electrons.

The chart shows the voltage of four electric currents.

Superconducting magnets are used in machines called particle accelerators. These machines rely on zero resistance in order to function properly.

Why is copper used for most electrical wiring?

Which statement best describes the relationship between risk and investments?

In finance, liquid describes investments that can more easily be changed to .

Which statements describe short-term investments? Choose three correct answers.They are difficult to change into cash.They come with little or no risk.They have lower rates of return.They require less cash than others.They require large amounts of money.

Long-term investments are usually purchased and held for .

How do investors benefit from diversification?

Investments with higher rates of return

Review the graph. What does it demonstrate about investments? Short-term investments have higher rates of return.Short-term investments have higher risk.Long-term investments have lower risk.Long-term investments have higher rates of return.

Risk is the chance that an investment will

Review the graph. What does it show about the stock market?

What should Jeremy think about when deciding how to set up his 401(k) plan? Choose three correct answers.which long-term investments to makewhich short-term investments to makehow much money he can afford to put inhow much risk he wants to takehow he can invest the lowest amount possible