. A magnetic field exerts no force on


A: a stream of electrons

B: a stream on protons

C: unmagnetised piece of iron

D: stationary charge.

 

Best Answer

Explanation:

A magnetic field exerts no force on stationary charge because a stationary charge does not have the ability to develop magnetic field or get affected by any external magnetic field. A moving charge is responsible for the generation of current in the circuit which in result generates the magnetic field. 

 

Final Answer:

Hence, option D is correct.

 

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