Question

an electron does note suffer any deflection while passing through our region of uniform magnetic field what is the direction of magnetic field ?
or
what type of core sold be used inside a solenoid to make an electromagnet ?​

Answer 1

Answer:

I don't know

Explanation:

I don't know

Answer 2

Answer:

Explanation:

1.  Since the force exerted on a charge by the field B is given by:

F

=q(  

v

×  

B

)=qvBsinθ

If the motion of the electron the field is in the same direction then the net force on the charge will be zero.

So, "an electron does not suffer any deflections while passing through a region. This makes sure that there is no magnetic field in that region". This statement is not true.

2.  A soft iron core is placed inside a solenoid to make an electromagnet. When a soft iron core is placed inside a solenoid, then the strength of the magnetic eld becomes very large because the iron core gets magnetized by induction.

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