Logical ReasoningDifficulty: Medium

PT120 S4 Q7 Explanation

If cold fusion worked, it

A free, expert breakdown of this official LSAT Logical Reasoning question.

TopicsParadox

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Stimulus

If cold fusion worked, it would provide almost limitless power from very inexpensive raw materials, materials far cheaper than coal or oil. But replacing all the traditional electric generators that use these fuels with cold-fusion power plants would result 25 percent in the average residential electric bill.

What this question is testing

Paradox

Your task

Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.

Common trap

Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.

Winning move

Predict what a right answer must do, then test each choice against the conclusion-evidence gap.

Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.

The question
7.

Each of the following, if true, would help to resolve the apparent discrepancy between the

Answer choices

  1. Helps Explain5% picked this

    Cold-fusion power plants would be more expensive to build and maintain than traditional

    This balances out the cost savings we get from cold-fusion power with an extra cost that comes with cold-fusion. Since the plants cost more to build and maintain, that helps explain why the electric bill is still mostly the same as before. The electric company has to cover their costs of building / maintaining the more expensive plants.

  2. Helps Explain5% picked this

    Environmental regulations now placed on burning coal or fuel oil are less costly than the regulations that would

    This balances out the cost savings we get from cold-fusion power with an extra cost that comes with cold-fusion. Since the cold-fusion plants would have to pay more money for environmental regulations, that helps explain why the electric bill is still mostly the same as before. The electric company has to cover their costs of paying regulatory fees.

  3. Correct74% picked this

    Most electric companies would be willing to incorporate cold-fusion technology into

    Why this is right

    This has No Impact, because the conversation isn't about, "Will we ever switch everything to cold fusion? Would electric companies be willing to do so?" The conversation is, "In a hypothetical world where everything was switched over to cold fusion, how come electric bills wouldn't be way, way lower?" This doesn't give us any way to explain why electric bills would be mostly the same price.

    Skill tested: Paradox · how this choice captures the argument's function is the move to repeat next time.

  4. Helps Explain7% picked this

    Only a relatively small portion of any residential electric bill is determined by the electric

    This tells us that what the electric company pays for the power it supplies is only a small portion of the electric bill (maybe it's around 25-30% of the bill, whereas the rest of the bill covers costs such as facility fees / taxes / regulations / advertising / human workforce etc.). So even if cold fusion made the energy part of the bill essentially free, we'd still have to pay 75% of what we're normally paying, because we have to cover all those other costs that the electric company has.

  5. Helps Explain9% picked this

    Personnel costs for the distribution of power to consumers are unrelated to the type of raw materials

    This is the worst of the four eliminate-able answers, because it's a weaker version of (D). But, like (D), it's reminding us that there are other costs involved with an electric company besides just raw materials and power generation. Even if your raw materials were free, you still have to pay all the employees that run the power plant / run the electric company / do customer service / do emergency repairs / etc. So, like (D), it's saying the reason that cold fusion would only somewhat decrease our energy bills is because a lot of what the energy company has to pay for has nothing to do with raw materials.

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