Categories > Moving Charges and Magnetism > Biot-Savart's Law > A long solenoid is formed by winding 20 turns/cm. The current necessary to produce a magnetic field of 20 millitesla inside the solenoid will be approximately$(\frac{{{\mu _0}}}{{4\pi }} = {10^{ - 7}}\,tesla - metre/ampere)$

Moving Charges and Magnetism

Question: A long solenoid is formed by winding 20 turns/cm. The current necessary to produce a magnetic field of 20 millitesla inside the solenoid will be approximately$(\frac{{{\mu _0}}}{{4\pi }} = {10^{ - 7}}\,tesla - metre/ampere)$


1) 8.0 A
2) 4.0 A
3) 2.0 A
4) 1.0 A
Solution: Explanation: No Explanation
Biot-Savart's Law Amperes Law

Rate this question:

★ ★ ★ ★ ★

Average rating: (0 votes)

Previous Question Next Question

Related Questions