What was the primary material used for long-distance telecommunications before fiber optics?

Data Transmission in Cables

Interactive Video
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Physics, Science, Computers
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9th - 10th Grade
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Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fiber optic cable
Copper wire
Plastic wire
Aluminum wire
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do fiber optic cables transmit data?
Via pulses of light
By magnetic fields
Using sound waves
Through electrical currents
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the phenomenon called when a signal deteriorates over distance in copper cables?
Signal distortion
Signal amplification
Signal attenuation
Signal reflection
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main factor that determines the speed of data transmission in cables?
The material of the cable
The color of the cable
The length of the cable
The throughput or capacity
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of cable has a higher bandwidth capacity?
Aluminum wire
Copper wire
Fiber optic cable
Plastic wire
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are fiber optic cables less susceptible to interference compared to copper wires?
They are made of metal
They use electrical currents
They are thicker
They are made of glass or special plastics
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many telephone calls can a local area network using modern copper lines handle at one time?
1,000 calls
10,000 calls
31,000 calls
3,000 calls
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