When Charging Two Objects by Rubbing Them Together

question 66

Multiple Choice

When charging two objects by rubbing them together:

• A) neither may be a conductor.
• B) the heat produced by friction is a necessary part of this process.
• C) they must be made of different material.
• D) they will sometimes end up with both being positively charged.

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Definitions:

Allocative Efficiency

A state of resource allocation where resources are distributed according to consumer preferences, leading to optimal production levels and pricing.

Corrective Tax

A tax designed to encourage private decision makers to take into account the social costs that arise from a negative externality.

Allocative Efficiency

A state where resources are allocated in a way that maximizes the net benefit to society, with products being produced at a quantity where the price equals marginal cost.

Consumer Surplus

The contrast between the total payment consumers are willing and financially able to make for a good or service and the amount they truly pay.