Navigate

A coil of resistance 10 Ω and an inductance 5 H is connected to a 100 volt

A coil of resistance 10 Ω and an inductance 5 H is connected to a 100 volt battery. The energy stored in the coil is

Options

(a) 250 erg
(b) 250 J
(c) 125 erg
(d) 125 J

Correct Answer:

250 J

Explanation:

Energy U = (1/2) LI²

= (1/2) × 5 × (100/10)² = 250 J

PB2001
admin:

Related Questions

  1. A freely suspended bar magnet aligns itself in
  2. Two slits in Young’s experiment have widths in the ratio 1:25. The ratio of intensity
  3. Two discs of same material and thickness have radii 0.2 m and 0.6 m.
  4. A round disc of moment of inertia i₂ about its axis perpendicular to its plane
  5. Two pendulums A and B are oscillating simultaneously with time period