g An inductor used in a dc power supply has an inductance of 12.0 H and a resistance of It carries a current of 0.300 A. (a) Wha
t is the energy stored in the magnetic field
1 answer:
Answer:
Explanation:
Energy of an inductor = 1/2 L i²
L is inductance , i is current .
= 1/2 x 12 x .3²
= .54 J
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Mass = density • volume
so (12)(920)(kg/m^3•m^3)
11040 kg
