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Sonbull [250]
2 years ago
15

A student measures the voltage and current between two points in an electrical circuit. If the voltage is 220 V and the current

is 1.2 A, what is the resistance, according to Ohm's law?
A. 2190
B. 2640
C. 1830
D. 0.0050
Physics
1 answer:
77julia77 [94]2 years ago
8 0

Answer:

Your answer is C

Explanation:

V=IxR

220 divide by 1.2=183.0

The answer was probably a type error so it should be C

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Explanation:

For this case we have this:

Action force: Would be the force of your feet against the Earth given by the weight defined as:

W = mg

Where g is a constat who represent the gravity g =9.8 m/s^2 in Earth

Reaction force: Would be the force of the Earth pushing against your feet. And on this case is represented by the normal force defined as:

N = \mu f_f

Where \mu represent the friction coefficient between the ground and the object.

And f_f the friction force.

If we don't have any other forces involved in the y axis we can conclude that:

W=N= mg

And as we can see we have that Action force = Reaction force

So then the third Law of Newton is satisfied.

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