Question 8: NCERT Solutions for 12th Class Physics: Chapter 4-Moving Charges and Magnetism
A closely wound solenoid 80 cm long has 5 layers of windings of 400 turns each. The diameter of the solenoid is 1.8 cm. If the current the carried is 8.0 A, estimate the magnitude of 8 inside the solenoid near its centre.
Solution:
Total number of turns in 80 cm length of solenoid can be calculated
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NCERT Solutions for 12th Class Physics: Chapter 4-Moving Charges and Magnetism