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A spring is held vertically downward and a current is passed through it . Then the length of the spring :

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A spring is held vertically downward and a current is passed through it . Then the length of the spring :

 

A . increases     B. decreases    C . does not change    D the spring oscillates

 

English: A three-dimensional rendering of a so...

 

Answer:

 

Since the adjacent turns are carrying currents in the same direction (just like two parallel wires) there will be attraction between the turns and therefore the length of the spring

 

 

tends to decrease.

 

 

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