AP (Advanced Placement) Physics(B-C): Questions 803 - 806 of 921

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Question number: 803

» Thermodynamics

MCQ▾

Question

A rectangle metal plate of dimension is made of a material that has a coefficient of linear expansion of . If the plate’s temperature is increased from to , what is the new area of the plate?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 804

» Magnetic Field & Electromagnetism

MCQ▾

Question

In the figure, a straight wire carrying a current of flows through a magnetic field of strength . The length of wire in the field is . Determine the magnitude and direction of the force that the magnetic field exerts on the wire.

A straight wire in magnetic field

A Straight Wire in Magnetic Field

In figure, a straight wire in magnetic field is shown.

Choices

Choice (5) Response

a.

Downward on the page

b.

Upward on the page

c.

Downward on the page

d.

Upward on the page

e.

None of the above

Question number: 805

» Fluids & Solids

MCQ▾

Question

A tungsten wire of radius and Young’s modulus is permute strain not exceed . What is the maximum load applied on this wire?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 806

» Thermodynamics

MCQ▾

Question

One mole of an ideal gas enclosed in a cylinder of conducting walls. Let and be initial pressure, volume and temperature. Let gas expand to volume where pressure reduces to and temperature remains constant. How much work is done during this expansion?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

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