2 years ago

What is a similarity between wind and water?

Chemistry

1 answer:

labwork [276]2 years ago

5 0

They are both sources of power for objects that people use.

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An example of a metal is iron. A non-metal example is oxygen, which is a gas at STP (standard temperature and pressure).

A metalloid is a bit of a mix between a metal and non-metal element. It's sorta like an element that has both properties of metals and non-metals, or it's in a murky gray area. An example of a metalloid would be silicon.

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3 years ago

When the potential difference across a lamp is 3.3V the current is 0.15 calculate the resistance of the lamp and give the unit

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Answer:

22Ω

Explanation:

Given parameters:

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Unknown:

Resistance = ?

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According to ohm's law, potential difference, current and resistance are related by the expression below;

V = I R

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I is the current

R is the resistance

3.3 = 0.15 x R

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