calculate the inductance of a 25cm long solenoid if it has 1000 turns and radius of its circular cross-section is 5cm.how much energy will be stored in this inductor if 3A of currents  flows?

INDUCTANCE OF SOLENOID , L=( u N2A)/l

where l is the length of the solenoid
       N is the number of turn in the solenoid 
       A is the area of cross section.
  
ENERGY STORE IN THE INDUCTOR , U = 1/2 L2I
 
Put the values in these two relation to calculate the result.

  • -8
L=nu0 n l A
to find energy U=LI
  • 2
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