AP (Advanced Placement) Physics(B-C): Questions 193 - 196 of 921

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Question number: 193

» Thermodynamics

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MCQ▾

Question

A hot liquid can be cooled more quickly by stirring it with a silver stick. Which of the following actions would be even more effective in cooling the liquid?

Choices

Choice (5)Response

a.

Replace the stick with one twice as long and twice the diameter.

b.

Replace the stick with one-half as long and twice the diameter.

c.

Replace the stick with one twice as long and half the diameter.

d.

Replace the stick with one-half as long and half the diameter.

e.

Question does not provide sufficient data or is vague

Passage

Pressure (Pascal) vs Volume (cubic meters)

Pressure (Pascal) vs Volume (Cubic Meters)

The diagram illustrates the pressure and volume changes for two moles of an ideal gas as it is taken through a cycle from path .

Question number: 194 (1 of 2 Based on Passage) Show Passage

» Thermodynamics

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MCQ▾

Question

Which of the following most closely estimates the net work done during the cycle?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 195 (2 of 2 Based on Passage) Show Passage

» Thermodynamics

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MCQ▾

Question

Which of the following statements correctly describes individual steps in the cycle ?

Choices

Choice (5)Response

a.

is isothermal, and is isovolumetric.

b.

is adiabatic, and is isobaric.

c.

is isothermal, and is isobaric.

d.

is isothermal, and is isobaric.

e.

None of the above

Question number: 196

» Electric Circuits

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MCQ▾

Question

A battery with an emf of delivers to an external circuit when the current in the circuit is . What is the internal resistance of the battery?

Choices

Choice (5)Response

a.

Negligible

b.

c.

d.

e.

Question does not provide sufficient data or is vague

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