P5.2 Cables and plugs

Question 1

What is the primary function of electrical cables?

Answer 1

To carry electrical current from one point to another.

Question 2

True or False: All cables are designed for the same voltage and current ratings.

Answer 2

False

Question 3

What does the term ‘AWG’ stand for in wire specifications?

Answer 3

American Wire Gauge

Question 4

Fill in the blank: _____ cables are used to connect devices to a power source.

Answer 4

Power

Question 5

What is the purpose of a plug?

Answer 5

To connect a device to a power supply or outlet.

Question 6

Which type of plug is commonly used in the United States?

Answer 6

Type A or Type B

Question 7

True or False: Cables with higher AWG numbers are thicker than those with lower numbers.

Answer 7

False

Question 8

What is the significance of the insulation on a cable?

Answer 8

It prevents electrical shock and short circuits.

Question 9

Multiple Choice: Which of the following is NOT a type of electrical cable? A) Coaxial B) HDMI C) USB D) Fiber Optic E) None

Answer 9

E) None

Question 10

Short Answer: Name one common application for a USB cable.

Answer 10

Connecting devices like smartphones to computers.

Question 11

What does the term ‘voltage rating’ indicate for a cable?

Answer 11

The maximum voltage the cable can safely carry.

Question 12

Fill in the blank: A _____ cable is used for high-speed internet connections.

Answer 12

Ethernet

Question 13

True or False: Shielding in cables helps reduce electromagnetic interference.

Answer 13

True

Question 14

What is the role of a connector in a cable system?

Answer 14

To join two cables or a cable to a device.

Question 15

Multiple Choice: Which cable type is typically used for audio and video connections? A) HDMI B) Ethernet C) Coaxial D) Both A and C

Answer 15

D) Both A and C