Question

energy stored in a solonoid​

Answer 1

Answer:

the answer is 20 J

put formula W=I^²R

1×1+20=20J

Answer 2

We know that energy stored in the coil, inductor or solenoid is given by..

U = 1/2 x LI²

where L is the self inductance of coil and I is the peak value of current.

U = 1/2 x 2 x 1²

U = 1 J

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