MHT CET20227 Aug 2022Morning ShiftPhysicsElectromagnetic InductionActual
If the current flowing through a coil is reduced by 50 % then, the energy in the coil will
Options
- ABe unchanged
- BDecrease by 25 %
- CDecrease by 75 %
- DIncrease
Correct answer
C. Decrease by 75 %
Step-by-step solution
aligned & E₁ E₂ = 1 2 L ( I 2 )^2 1 2 L^2 = 1 4 & E₂= 1 4 E 1 aligned E ₁- E ₂= 3 4 E ₁ .