Question
How many electrons have to be moved by a car battery containing $7.20 \times 10^{5} \textrm{ J}$ at 12 V to reduce the energy by 1%?
1. $4.80 \times 10^{27}$
2. $4.00 \times 10^{26}$
3. $3.75 \times 10^{21}$
4. \$3.13 \times 10^{20}

(c)

Solution Video