<em>A clamp-type measuring instrument operates on the principle of; </em>
A. induction
The main advantage of an electromagnet over a permanent magnet is that the magnetic field can be quickly changed by controlling the amount of electric current in the winding. However, unlike a permanent magnet that needs no power, an electromagnet requires a continuous supply of current to maintain the magnetic field.
Answer:
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Explanation:
Answer: The box was moving with a velocity of 0.256m/s when it hit the spring
Explanation: Please see the attachments below