Abstract： An analytical expression of ampere’s force between two current rings in a compensated torsion balance is deduced here, the properties and stability of this force are discussed. The result of numerical estimation for typical experimental parameters shows that the uncertainties of the force are smaller than 1 x 10-4 orders, which is very important for precise measurement of gravitational constant G.
(Other topics in general relativity and gravitation)
引用本文:
LUO Jun;FAN Shuhua. Analytical Expression of Ampere’s Force Between Two Current
Rings in a Compensated Torsion Balance
[J]. 中国物理快报, 1994, 11(3): 141-144.
LUO Jun, FAN Shuhua. Analytical Expression of Ampere’s Force Between Two Current
Rings in a Compensated Torsion Balance
. Chin. Phys. Lett., 1994, 11(3): 141-144.
1994, Vol. 11 
