Current, voltage and resistance

1

Which of these is not another name for voltage?

2

How must voltage be measured?

3

What is the scientific term that describes the electrons in a metal when a current flows through it?

4

What specifically does resistance reduce the flow of?

5

What causes resistance?

6

Which term describes the relationship between resistance and the cross section of a wire?

7

Which of these correctly shows Ohm's law?

8

If a current of 10 amperes flows through a 230 volt lamp, what is its resistance?

9

Which of these equations is used to calculate current?

10

What is the current if a charge of 25 coulombs passes in 5 seconds?