Which one of the following statements concerning the magneticfield well inside a

Question

Which one of the following statements concerning the magneticfield well inside a long, current-carrying solenoid is true?

a. The magnetic field is non-zero andnearly uniform.
b. The magnetic field iszero.
c. The magnetic field is independent ofthe current in the solenoid.
d. The magnetic field is independent ofthe number of windings.
e. The magnetic field varies as 1/r as measured from the solenoidaxis. Which one of the following statements concerning the magneticfield well inside a long, current-carrying solenoid is true? The magnetic field is non-zero andnearly uniform. The magnetic field iszero. The magnetic field is independent ofthe current in the solenoid. The magnetic field is independent ofthe number of windings. The magnetic field varies as 1/r as measured from the solenoidaxis.

Explanation / Answer

Answer : (a ) The magnetic field is non-zero and nearly uniform

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