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borishaifa [10]
3 years ago
15

What are power tools​

Physics
2 answers:
butalik [34]3 years ago
8 0

Answer:

Tools that require electricty like drills

Explanation:

Tasya [4]3 years ago
3 0

Answer: Power tools are those tools that are use with electricity...

Explanation:

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In which electric circuit would the voltmeter read 10 volts ?
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Given that,

Voltage = 10 volt

Suppose, The three resistance is connected in parallel and each resistance is 12 Ω. find the current in the electric circuit.

We need to calculate the equivalent resistance

Using formula of parallel

\dfrac{1}{R}=\dfrac{1}{R_{1}}+\dfrac{1}{R_{2}}+\dfrac{1}{R_{3}}

Put the value into the formula

\dfrac{1}{R}=\dfrac{1}{12}+\dfrac{1}{12}+\dfrac{1}{12}

\dfrac{1}{R}=\dfrac{1}{4}

R=4\ \Omega

We need to calculate the current in the circuit

Using ohm's law

V=IR

I=\dfrac{V}{R}

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Put the value into the formula

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