一圆形线圈C1有N1匝,线圈半径为r。将此线圈放在另一半径为R(R>>r),匝数为N2的圆形大线圈C2的中心,两者同轴共面。则此二线圈的互感系数M为
A: m0N2N2pR/2
B: m0N2N2pR2/(2r)
C: m0N2N2pr2/(2R)
D: m0N2N2pr/2
A: m0N2N2pR/2
B: m0N2N2pR2/(2r)
C: m0N2N2pr2/(2R)
D: m0N2N2pr/2
举一反三
- 自感式传感器的线圈匝数为N,磁路的磁阻为R[sub]m[/],则自感为() A: N<sub>2</sub>/R<sub>m</sub> B: R<sub>m</sub>/N C: N/R<sub>m</sub> D: N<sub>2</sub>/R<sub>m</sub><sup>2</sup>
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- 在下列六组量子数中,正确的是① n=3,l= 1,m=-1 ② n = 3,l= 0,m = 0 ③ n = 2,l= 2 ,m=-1 ④ n = 2, l = 1 ,m = 0 ⑤ n = 2,l = 0,m =-1 ⑥ n= 2,l = 3 , m= 2 A: ①、③、⑤ B: ②、④、⑥ C: ①、②、③ D: ①、②、④
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