Question

A car battery is charged by a 12 V supply, and energy stored in it is 7.20 × 10⁵ J. The charge passed through the battery is ______.

पर्याय

• 6.0 × 10⁴ C

• 5.8 × 10³ J

• 8.64 × 10⁶ J

• 1.6 × 10⁵ C

Answer 1

A car battery is charged by a 12 V supply, and energy stored in it is 7.20 × 10⁵ J. The charge passed through the battery is 6.0 × 10⁴ C.

Explanation:

Q = W/V

= 7.2 × 10⁵/12

= 6 × 10⁴ C