2 Flashcards by Ryan Martin | Brainscape

Q

Shape of Milky way

A

Spiral

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Q

Conductor

A

Allows flow of electrical current

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Q

Different colour stars due to ?

A

Temperature

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Q

Fundamental principle of a battery?

A

Dissociation of electrolytes

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Q

What’s a spinney

A

Little wood

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Q

Hardest substance

A

Diamond

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Q

Transluscent

A

Allows light

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Q

Points on a snowflake

A

6

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Q

Useful junk

A

Boat

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Q

Yuri Gagarin 1st man

A

In space

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Q

1st aero flight 1903

A

Wright bro

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Q

Speed equation

Charge

A

Distance/time

Current x time

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Q

Power

A

Voltage x current

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Q

Voltage

A

Current x resistanace

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Q

Energy

A

Voltage x charge

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Q

If a charge flows through a resistor what happens

A

gets hotter

Q

In a filament lamp, in what form is most of the energy lost?

A

heat

Q

What is power?

A

The rate at which energy is absorbed