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HACTEHA [7]
2 years ago
9

An instrument used to detect the current in a circuit is called

Physics
2 answers:
Tanzania [10]2 years ago
4 0

Answer:

Ammeter

Explanation:

An ammeter is used to measure current.

irakobra [83]2 years ago
4 0
Ammeter that instrument
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Explanation:

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A point charge with charge q1 = 4.00 μC is held stationary at the origin. A second point charge with charge q2 = -4.40 μC moves
Bezzdna [24]

Answer:

W=0.94J

Explanation:

Electrostatic potential energy is the energy that results from the position of a charge in an electric field. Therefore, the work done to move a charge from point 1 to point 2 will be the change in electrostatic potential energy between point 1 and point 2.

This energy is given by:

U=\frac{K\left |q_1 \right |\left |q_2 \right |}{r}\\

So, the work done to move the chargue is:

W=U_1-U_2\\W=\frac{K\left |q_1 \right |\left |q_2 \right |}{r_1}-\frac{K\left |q_1 \right |\left |q_2 \right |}{r_2}\\r_1=\sqrt{((0.155 m)^2+0 m)^2}=0.115m\\r_2=\sqrt{((0.245 m)^2+(0.270 m)^2}=0.365m\\W=K\left |q_1 \right |\left |q_2 \right |(\frac{1}{r_1}-\frac{1}{r_2})\\W=8.99*10^9\frac{Nm^2}{c^2}(4.00*10^{-6}C)(4.40*10^{-6}C)(\frac{1}{0.115m}-\frac{1}{0.365})\\W=0.94J

The work is positive since the potential energy in 1 is greater than 2.

5 0
3 years ago
I WILL MARK YOU THE BRAINLIEST NO LINKS
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Answer:

it becomes a gas

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the matter expands, turning into steam, a gas.

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Define force and provide an example​
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How much is 1.75 inches in cm?
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4.44 cm

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