A) \[\operatorname{M}=k\sqrt{{{\operatorname{L}}_{1}}{{L}_{2}}}\]
B) \[\operatorname{M}=k\sqrt{\frac{{{L}_{1}}}{{{L}_{2}}}}\]
C) \[\operatorname{M}=k\sqrt{{{\operatorname{L}}_{1}}+{{L}_{2}}}\]
D) None of the above
Correct Answer: A
Solution :
Option [a] is correct. Explanation: If two coils of self inductance \[{{\operatorname{L}}_{1}}\] and \[{{\operatorname{L}}_{2}}\] are coupled together, their mutual inductance become M= \[k\sqrt{{{L}_{1}}{{L}_{2}}}\] where k= coupling constant whose value lies between 0 and 1.
You need to login to perform this action.
You will be redirected in
3 sec
