
Transformer Functionality and Energy Sources

Interactive Video
•
Physics, Science, Other
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a source of energy used in power plants?
Coal
Geothermal sources
Wood burning
Wind turbines
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is electricity generated at high voltages?
To reduce energy loss during transmission
To make it suitable for home use
To increase the speed of electricity
To reduce the cost of production
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a distribution transformer?
To increase voltage levels
To store electrical energy
To convert AC to DC
To step down high voltages to lower levels
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between a pole-mounted and a pad-mounted transformer?
Pole-mounted transformers are more efficient than pad-mounted
Pole-mounted transformers are for single-phase, while pad-mounted are for three-phase
Pole-mounted transformers are elevated, while pad-mounted are ground-based
Pole-mounted transformers are used in urban areas, while pad-mounted are for rural areas
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What voltage levels are typically converted by a pole-mounted transformer for household use?
11 kV to 230-400 volts
11 kV to 1000 volts
230 volts to 11 kV
400 volts to 11 kV
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the v-shaped cross arm in a transformer?
To provide a grounding point
To increase the efficiency of the transformer
To hold the electrical insulator and conductor
To support the transformer tank
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do lightning arresters play in a transformer system?
They protect the transformer from lightning strikes
They increase the voltage
They convert AC to DC
They store electrical energy
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