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22. A computer is left on all week. It continually consumes 15 W of power. Electricity...

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22. A computer is left on all week. It continually consumes 15 W of power. Electricity costs 10 cents per kW-hr. How much doe

22. A computer is left on all week. It continually consumes 15 W of power. Electricity costs 10 cents per kW-hr. How much does this cost? a. 25 cents b. 36 cents $2.52 d. $15.12 23. An electron and a proton are 1.0x10 m. apart. Calculate the force between them in Newtons, and whether it's attractive or repulsive: a. 2.3x10- N, repulsive b. 2.3x10-20 N, attractive c2.3x10-2 N, repulsive d. 2.3x10-25 N, attractive Which of the following differs from the others with respect to electricity a. plastic b. iron cglass d. ceramic 24. 25. A magnetic field is produced by a.static negative charges b. static positive charges c. flowing water d. an electric current

Answers

The first problem's answer is option (a). The second problem's answer is option (d). The third problem's answer is option (b) and the fourth problem's answer is option (d). Detailed solution for each question given below. Ask me if you have any doubts.

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