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The magnetic field at the centre if a solenoid is
= u(meu not) x number of turns per unit length x current through the solenoid.
Since there are two solenoids, that too having current in the same direction, the resultant magnetic fire will get add up and therefore calculate the magnetic field due to the inner and outer coils and add them up! (using the same formula for each)
:)
= u(meu not) x number of turns per unit length x current through the solenoid.
Since there are two solenoids, that too having current in the same direction, the resultant magnetic fire will get add up and therefore calculate the magnetic field due to the inner and outer coils and add them up! (using the same formula for each)
:)
atd01:
For a single wire, the formula to be used is the one I wrote in the beginning
Ok g.
When currents are in the same direction, you can check why they add up by using the various rules(I preferably use the thumb rule) to check if the flux adds up or cancels out
Oh! now i came to know...we use thumb rule...now i got it
Yup ;)
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