Given: 0 = 4 x10^ 7 T.m/A. An air-core circular solenoid isshown in the figure b

Question

Given: 0 = 4 x10^7T.m/A.
An air-core circular solenoid isshown in the figure below. A current of 22A is established inthe wire which makes up this solenoid. a)What is the magnetic field at its center? [[ Answer in units of T ]]

b) What is its self-inductance? [[Answer in units of mH]] c) How much energy isstored in the solenoid? [[ Answer inunits of J ]]
d) A tight circular loop whose diameter isless than the diameter of the solenoid (asshown inthe figure below) is concentric with the solenoid and is placed midway along the length of the solenoid. Startingfrom t = 0,the initial current increases linearly in timeuntil the current doubles in 5 s, and then thecurrent remains constant at 44 A. Find the magnitude of the emf || in the
circular loop at a time t, 0 s < t < 5 s, duringthe increase of current. [[ Answer in units of V]] Help appreciated friends.

Explanation / Answer

i answered the first three parts so help me in the last part d)

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