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Dima020 [189]
2 years ago
14

Which statement describes the role of a resistor in an electrical circuit?

Physics
1 answer:
Arisa [49]2 years ago
6 0

The role of a resistor in an electrical circuit is to <u>hinder the movement of charge through a circuit</u>

Explanation:

A charge is carried through a wire by current (indicated as <em>I</em> in physics S.I connotation). Higher current means the rate at which the charge is flowing through the wire is fast. High resistance of the wire means the charge flows with difficulty hence slower. Resistance is given by the formulae;

R = V/I whereby;

R = resistance

V = voltage

I = current

As you can observe <em>R</em> (resistance) is inversely proportional to<em> I </em>(current). Meaning the higher the resistance the lower the current.

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Answer:

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Explanation:

We have given distance s =40 m time t=7.5 sec

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From the second equation of motion s=ut-\frac{1}{2}at^2 ( negative sign because there is retrdation as the truck speed is slowing down )

So 40=7.5u-0.5\times a\times 7.5^2

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7 0
3 years ago
Give reason.<br><br><br>b} String roller is an example of wheel and axel .Why?<br><br>​
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Explanation:

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Answer:

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