SSC SSC JE Electrical 2025 Mock Test Series (Paper 1 & Paper 2) Network Theory Magnetic Coupling Circuits
A linear magnetic circuit has a flux linkage of 2 wb-turn when a current of 20 A flows through its coil. What is the energy stored in the magnetic field of the coil?
1
80 J
2
40 J
3
10 J
4
20 J