Question 1

Current is the flow of electricity through a wire. What unit is used to measure the current?

Accepted Answer

Amperes

Answer

Watts

Answer

Volts

Answer

Joules

Question 2

Christmas tree lights are often connected in series. What makes this not a good idea?

Accepted Answer

If one light breaks, they all go out

Answer

They use more energy

Answer

There is no complete circuit

Answer

They are not colorful

Question 3

You want to have equal distribution of electricity in your house. What are you going to do?

Accepted Answer

Ask a qualified electrician to install parallel connection.

Answer

Ask a qualified electrician to install extension wires.

Answer

Ask a qualified electrician to install octopus wiring.

Answer

Ask a qualified electrician to install series connection.

Question 4

Lamps in your house are often connected in parallel. What makes this a good idea?

Accepted Answer

You can switch them off separately

Answer

The lights are dimmer

Answer

They are cheaper

Answer

They use less current

Question 5

Which shows a parallel connection?

Accepted Answer

https://uploads.quizalize.com/23f0e88c-33f9-470c-be49-60102b3f944f/question/59925bb93d3a3466cac4904c5bb4b5876b2f250a.jpg

Answer

https://uploads.quizalize.com/23f0e88c-33f9-470c-be49-60102b3f944f/question/81ed6a6abb6dc947c230e8a2348212955c45a959.jpg

Answer

https://uploads.quizalize.com/23f0e88c-33f9-470c-be49-60102b3f944f/question/f7a3a83ff96fcb7ac1b2b98d57e31f6b2f12e5b6.jpg

Answer

https://uploads.quizalize.com/23f0e88c-33f9-470c-be49-60102b3f944f/question/7bc867745e9299f16ef64365e8b18da7b50456dc.jpg

Question 6

What happens to the current in a series if one bulb is removed?

Accepted Answer

Stops

Answer

Remains the same

Answer

Increases

Answer

Decreases

Question 7

Which shows a series connection?

Accepted Answer

https://uploads.quizalize.com/23f0e88c-33f9-470c-be49-60102b3f944f/question/461189ec69ca743d6f8cb2407342b07fb85926ce.jpg

Answer

https://uploads.quizalize.com/23f0e88c-33f9-470c-be49-60102b3f944f/question/63b7f3209bc174b9527caf760856f8b946e79fc4.jpg

Answer

https://uploads.quizalize.com/23f0e88c-33f9-470c-be49-60102b3f944f/question/8a90fae053c11a78fc45c6d7ea3115ff685354d4.jpg

Answer

https://uploads.quizalize.com/23f0e88c-33f9-470c-be49-60102b3f944f/question/849a75a428bc31ba931bb94010b2fbf4ffb5150c.jpg

Question 8

The diagram below shows a circuit with light bulbs labeled 1, 2 and 3.

If bulb 1 burns out, which of the following will happen?

Accepted Answer

Bulbs 2 and 3 will continue to light.

Answer

Bulbs 2 will continue to light but bulb 3 will go out.

Answer

Bulbs 2 and 3 will go out.

Answer

Bulbs 3 will continue to light but bulb 2 will go out.

Question 9

Which object will you use to close the gap between the ends of the wires to make the
bulb light?

Accepted Answer

metal spoon

Answer

plastic cup

Answer

paper

Answer

rubber band

Question 10

Which is used to open or close a circuit?

Accepted Answer

switch

Answer

battery

Answer

wire

Answer

generator

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