circuits and Ohm's law

Which of these represent a parallel circuit?

• 1

• 2

• 3

• 4

Which of these represent a series circuit?

• 1

• 2

• 3

• 4

Which switches need to be closed to light bulbs 1 and 2?

• A

• B

• C

• D

Which graph obeys Ohm's law?

• 1

• 2

• 3

• 4

Which graph obeys Ohm's law

• A

• B

• C

• D

If you only closed switch C, would any of the bulbs light up?

• Yes

• No

If you only closed switch B, would any of the bulbs light up?

• Yes

• No

If you only closed switch A, would any of the bulbs light up?

• Yes

• No

Which switch should be closed to make both bulbs light up?

• A

• B

• both A and B

• no need to close a switch

If you only closed switch C, would any of the bulbs light up?

• Yes

• No