Question

3. Observe the following figure. We can understand that
A) there is a uniform magnetic field around the solenoid
B) the magnetic field is same at all points inside the solenoid
C) solenoid is kept in a strong magnetic field
D) solenoid is experiencing mechanical force​

Answer 1

B. the magnetic field is same at all the points inside solenoid..

Explanation:

because parallel lines indicate uniform magnetic field...

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Answer 2

Answer is Option "A"

Explanation:

• A solenoid is a long coil of wire enveloped by numerous turns
• At the point when a present goes through it, it makes an about uniform magnetic field inside
• Solenoids can change over electric flow to mechanical activity  
• The attractive field outside a long solenoid can never be zero
• Since a solenoid of restricted length will have edges and field  
• The appealing field inside a solenoid is relating to both the applied current and the quantity of turns per unit length
• Hence, the right answer is option A" there is a uniform magnetic field around the solenoid"