AP (Advanced Placement) Physics(B-C): Questions 656 - 659 of 920

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Question number: 656

» Electric Circuits

MCQ▾

Question

A battery with an of has an internal resistance of . What is the current through the battery when it is connected to an external resistance of ?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 657

» Force and Newton's Law of Motion

MCQ▾

Question

An external force compresses a spring up to distance from equilibrium position. The energy stored in the spring is , and spring constant is . Which of the following is approximate value of ?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

Question number: 658

» Periodic Motion, Mechanical Waves & Sound

MCQ▾

Question

A source of sound radiates uniformly in all directions. Along a radial line from the source, locate two points separated by , such that the intensity at the nearer point is above that of the more distant point. The distances from source to these two points are:

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 659

» Magnetic Field & Electromagnetism

MCQ▾

Question

Two short magnets with their axes horizontal and perpendicular to the magnetic meridian are placed with their centers east and west of magnetic needle. If the needle remains undeflected, the ratio of their magnetic moments is

Choices

Choice (5) Response

a.

b.

1

c.

d.

e.

All of the above

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