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Questions and Answers
Which of the following is an example of an insulator?
Which of the following is an example of an insulator?
- Rubber (correct)
- Gold
- Steel
- Copper
Which of the following is an example of an insulator?
Which of the following is an example of an insulator?
- Copper
- Gold
- Steel
- Plastic (correct)
Which type of wire is more flexible but less durable than solid wire?
Which type of wire is more flexible but less durable than solid wire?
- Solid wire
- Copper wire
- Stranded wire (correct)
- Gold wire
Which type of wire is more flexible but less durable than solid wire?
Which type of wire is more flexible but less durable than solid wire?
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What do power cables provide to devices?
What do power cables provide to devices?
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Study Notes
- Conductors allow easy flow of current; examples include copper, gold, and steel.
- Insulators resist current flow; examples include rubber, plastic, and wood.
- Solid wire is made of one piece of metal and is less flexible but more durable than stranded wire.
- Stranded wire is made of multiple small strands and is more flexible but less durable than solid wire.
- Computer cables transmit power or data between devices.
- Data cables provide communication between devices; examples include DVI, HDMI, and USB cables.
- Power cables provide power to devices; examples include power cords and Molex-style cables.
- DVI, HDMI, and VGA cables allow a computer to display a picture on a monitor.
- CAT5, IDE/EIDE, and SATA cables are also examples of data cables.
- Conductors and insulators are important concepts in electrical wiring and electronic circuits.
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