![If two coils of self inductances 1 mH and 4 mH has coupling coefficient 0.5, then coefficient of mutual inductance between two coils is If two coils of self inductances 1 mH and 4 mH has coupling coefficient 0.5, then coefficient of mutual inductance between two coils is](https://toppr-doubts-media.s3.amazonaws.com/images/7900069/82d167e0-5da7-4579-b061-d91e6146d63c.jpg)
If two coils of self inductances 1 mH and 4 mH has coupling coefficient 0.5, then coefficient of mutual inductance between two coils is
![Two coils of self inductance 6 mH and 8 mH are connected in series and are adjusted for highest coefficient of coupling. Equivalent self inductance L for the assenbly is approximately Two coils of self inductance 6 mH and 8 mH are connected in series and are adjusted for highest coefficient of coupling. Equivalent self inductance L for the assenbly is approximately](https://dwes9vv9u0550.cloudfront.net/images/14494/6688f9dc-fdbd-4b09-9979-894624a28682.jpg)
Two coils of self inductance 6 mH and 8 mH are connected in series and are adjusted for highest coefficient of coupling. Equivalent self inductance L for the assenbly is approximately
![The current in a coil decreases from 1 A to 0.2 A . In 10 sec. Calculate the coefficient of self - inductance. If induced emf is 0.4 volt. The current in a coil decreases from 1 A to 0.2 A . In 10 sec. Calculate the coefficient of self - inductance. If induced emf is 0.4 volt.](https://haygot.s3.amazonaws.com/questions/1960047_1231590_ans_2c84dc36818b425a85978fd84d88dc4b.jpg)
The current in a coil decreases from 1 A to 0.2 A . In 10 sec. Calculate the coefficient of self - inductance. If induced emf is 0.4 volt.
![Guided By: Prepared By: Hitesh S. Patel MAHADIK SAGAR PATEL SHITALBEN RANA AENISH SHAH MANISHKUMAR ppt download Guided By: Prepared By: Hitesh S. Patel MAHADIK SAGAR PATEL SHITALBEN RANA AENISH SHAH MANISHKUMAR ppt download](https://images.slideplayer.com/25/8063367/slides/slide_5.jpg)
Guided By: Prepared By: Hitesh S. Patel MAHADIK SAGAR PATEL SHITALBEN RANA AENISH SHAH MANISHKUMAR ppt download
![The coefficient of self induction of two inductor coils are 20mH and 40mH respectively. If the coils are connected in series so as to support each other and the resultant inductance is The coefficient of self induction of two inductor coils are 20mH and 40mH respectively. If the coils are connected in series so as to support each other and the resultant inductance is](https://dwes9vv9u0550.cloudfront.net/images/6225137/7269cc51-bbed-43ef-9189-ad8eda4480fc.jpg)