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Please help someone. A generator consumes 147 joules of energy in fuel and produces 75 joules of energy
in electricity. Engineers are challenged to produce a generator that is 20% more
efficient. Which of the following combinations of input and output energy represents a generator that has met this design challenge?
a. 150 joules of fuel to produce 90 joules of electricity
b. 135 joules of fuel to produce 68 joules of electricity
c. 60 joules of fuel to produce 100 joules of electricity
d. 115 joules of fuel to produce 82 joules of electricity

Sagot :

jay40891

Answer:

A

Explanation:

Current effiency

= 75/147

= 0.5102

New Efficiency

= 120/100 × 0.5102

= 0.6122

Only option A satisfies this efficiency.

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