A power plant converts of matter directly into electrical energy every hour with an…

PHYSICS · Single correct · A Level · Physics · Nuclear physics · Nuclear physics

Problem

A power plant converts

0.80\,\text g

of matter directly into electrical energy every hour with an overall efficiency of

30\%

. What is the average electrical power output of the plant? (Take

c = 3.0\times10^8\,\text{m\,s}^{-1}

.) (a)

20\,\text{GW}

(b)

0.6\,\text{GW}

(c)

6\,\text{GW}

(d)

14\,\text{GW}