Work is a quantity that measures the effects of a force acting over a distance.
The resistance of the laser whose voltage difference pushes the current through its laser diode is 2 ohms.
<h3>What is resistance?</h3>
The resistance is the opposition offered to the current flow.
According to the ohm's law, potential difference is directly proportional to the current flowing in the conductor.
V =I x R
Where R is the constant of proportionality called resistance.
Given is the potential difference V =10 Volts and the current flow of 5A, then the resistance will be
R = 10/5 = 2 ohms.
Thus, the resistance of the laser is 2 ohms.
Learn more about resistance.
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Answer:
when energy changes from one form to another, it always goes from a more useful to a less useful form. This means that people can't recycle or reuse high quality energy to perform useful work.
