AP (Advanced Placement) Physics(B-C): Questions 197 - 199 of 921

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Question number: 197

» Electric Circuits

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MCQ▾

Question

In the circuit diagram, three identical resistors, each with resistance , are connected to a battery with potential difference . When the switch is closed, the current in the resistor on the far right in the diagram could be determined by using which of the following formulas?

Circuit diagram of three resistors

Circuit Diagram of Three Resistors

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 198

» Thermodynamics

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MCQ▾

Question

Which of the following statements is always true regarding change in internal energy of a system of an ideal gas?

Choices

Choice (5)Response

a.

Internal energy will increase if heat is added during an isothermal process.

b.

Internal energy will increase if heat is added to the system and work is done on the system.

c.

Internal energy will decrease if work is done by the system during an is volumetric process.

d.

Internal energy will increase if work is done on the system during an isobaric process.

e.

None of the above

Question number: 199

» Fluids & Solids

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MCQ▾

Question

Water flows horizontally from a larger pipe with a diameter of to a smaller pipe with a diameter of . The smaller pipe then curves upward, and the water flows at a level higher, as in the illustration. If the speed of the water is in the larger pipe, what is the speed of the water in the smaller pipe as it flows at the higher level?

Two pipes system

Two Pipes System

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

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