We can find the volume of a small
pebble with the help of measuring cylinder by using the water displacement
method. <span>The </span>water displacement method<span> <span>is the
process of measuring the volume of an irregularly shaped object by immersing it
in water. </span></span>I am
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The heat from your hand causes the ice molecules to heat up and become more active. This lowers the stability of the ice cube compound causing it to melt.
        
             
        
        
        
Answer:
 when the direction of the Current changes.
Explanation:
Electromagnet refers to an iron ore wrapped around with a coil of wire, in presence of electric current. As it acts like a magnet, when current is passed through it. 
The north & south poles of magnetic fields produced by such magnet, change with direction of current passed through it. 
 
        
                    
             
        
        
        
It is gaining potental energy which will then transfer to knetic energy as it falls