When You Flip a Switch to Turn on a Light

question 91

Multiple Choice

When you flip a switch to turn on a light, the delay before the light turns on is determined by:

• A) the speed of the electric field moving in the wire.
• B) the drift speed of the electrons in the wire.
• C) the number of electron collisions per second in the wire.
• D) none of these, since the light comes on instantly.

Grasp how economies of scale and the concept of efficient scale influence costs and production.

Recognize the relationship between marginal cost and average total cost and how it informs production decisions.

Distinguish between short-run and long-run periods in the context of production and costs.

Understand the impact of worker specialization on production levels and costs.

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