Resistance

Question 1

What is the difference between current and potential difference?

Answer 1

Current is the rate of flow of charge. voltage is the amount of energy transferred to the charges

Question 2

What is the unit of resistance?

Answer 2

Ohm

Question 3

What happens to the current in a circuit if resistance is decreased

Answer 3

Current increases

Question 4

What is ohms law

Answer 4

V=IR

VOLTAGE= CURRENT X RESISTANCE

Question 5

What happens to the resistance of a piece of wire is the length increases?

Answer 5

Resistance increases

Question 6

How do you is static electricity work?

Answer 6

Friction causes electrons to be transferred from one insulater to another

Question 7

What happens when two like charges are brought near each other

Answer 7

They repel

Question 8

What is an electric field?

Answer 8

A field that exists in the space around charged object

Question 9

What is the difference between series and parallel?

Answer 9

A series circuit has one loop, a parallel circuit has more than one loop

Question 10

What is resistance?

Answer 10

Opposing the flow of an electric current