A solenoid of length 2m and of radius 1 cm has a winding carrying a current of 0.1 ampere per turn. Find the magnetic field strength inside the solenoid if the total number of turns is 2000.

Explanation

To find the magnetic field strength inside a solenoid, we can use the formula:

\[ B = \mu_0 \cdot n \cdot I \]

Where:
- \( B \) is the magnetic field strength inside the solenoid,
- \( \mu_0 \) is the permeability of free space (\( 4\pi \times 10^{-7} \, \text{T m/A} \)),
- \( n \) is the number of turns per unit length of the solenoid,
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