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Current Electricity (BrainPop) Flashcards | StudBud

Explore/Current Electricity (BrainPop)

Current Electricity (BrainPop)

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#electricity #magnetism

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Questions 8

Answers

1
Which of the following are sources of mechanical energy?
Wind and fossil fuels
Radios and televisions
Transmission lines and transformers
Cars and trucks
2
What do fuel cells, batteries, and solar cells have in common?
They are all sources of direct current
They can all be used to power automobiles
They are all sources of alternating current
They all produce static electricity
3
What can you infer about this source of electricity?
It is a source of alternating current
It is a source of static electricity
It is a source of electromagnetic radiation
It is a source of direct current
4
Place the following events in sequence:
B, C, A
A, C, B
B, A, C
A, B, C
5
How does electricity travel from power plants to your house?
Through a series of many transformers
Through a series of generators
Through transmission wires
It travels through the air as electromagnetic waves
6
How does a generator create current?
By using an internal combustion engine
By using energy from the sun
By using a fan
By using an electromagnet
7
What is the function of every generator on Earth?
Changing heat energy into electrical energy
Changing solar energy into electrical energy
Changing wind energy into electrical energy
Changing mechanical energy into electrical energy
8
What is the main function of a turbine?
Producing a magnetic field
Reducing the voltage of an electrical current
Increasing the voltage of an electrical current
Spinning