AP (Advanced Placement) Physics(B-C): Questions 742 - 745 of 920

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Question number: 742

» Magnetic Field & Electromagnetism

MCQ▾

Question

A pair of conducting wires of length spaced apart. If wires carrying direct current, such that the magnitude of force between these wire is ; then current in the wire is:

Choices

Choice (5) Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 743

» Torque and Equilibrium

MCQ▾

Question

A mass of 2 kg suspended by two ropes

A Mass of 2 Kg Suspended by Two Ropes

In figure, a mass of 2 kg suspended by two ropes is shown.

As shown in above figure, a mass of suspended by two ropes. Rope – 1 is at right angle with vertical and Rope – 2 made angle with vertical. If mass is at equilibrium, then which of the following is showing correct tensions of ropes? (Take )

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

Question number: 744

» Electric Circuits

MCQ▾

Question

The conducting wire of length and cross section , have resistivity . What is the resistance of the wire?

Choices

Choice (5) Response

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b.

c.

d.

e.

All of the above

Question number: 745

» Electrostatics

MCQ▾

Question

The paths of a proton in electric field

The Paths of a Proton in Electric Field

In figure paths of a proton in electric field is shown.

Two protons are positioned in uniform electric field at and in figure. Both charges are moved from their original position , and reached at point C. What is the net change in potential due to these motions of protons?

Choices

Choice (5) Response

a.

b.

c.

d.

None of the above

e.

Question does not provide sufficient data or is vague

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