Practice free →
Home › JEECUP (UP Polytechnic) › Physics › Energy Density

JEECUP (UP Polytechnic) Energy Density — practice questions

2 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.

Practice JEECUP (UP Polytechnic) Energy Density in the app →
The energy density (energy per unit volume) of a magnetic field $B$ in free space is:The energy stored per unit volume in a magnetic field $B = 0.1$ T in vacuum (take $\mu_0 = 4\pi \times 10^{-7}