Question

can coal immediately light a bulb

Answer 1

Answer:

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Explanation:

Most of the energy in coal is transformed into other forms of energy before it reaches a home in the form of electricity. For example, in order to end up with 2 units of energy to power an incandescent light bulb, you have to start with enough coal for 100 units of energy.

Answer 2

Answer:

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Most of the energy in coal is transformed into other forms of energy before it reaches a home in the form of electricity. For example, in order to end up with 2 units of energy to power an incandescent light bulb, you have to start with enough coal for 100 units of energy.

Most people know coal as a fossil fuel which is used to produce around 40 percent of the world’s electricity.1 It’s a flammable black or brown sedimentary rock, and is made mostly of organic carbon.

How does coal make electricity?

Simply put, coal-fired electricity generation is a five-step process:

a. Thermal coal (either black or brown) that has been pulverised to a fine powder is burned.

b. The resulting heat is used to turn water into steam.

c. The steam at very high pressure is then used to spin a turbine, connected to an electrical generator.

d. The spinning turbine causes large magnets to turn within copper wire coils; this is called the generator.

e. The moving magnets cause electrons in the wires to move from one place to another, creating an electrical current and producing electricity.

Explanation:

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