AP (Advanced Placement) Physics(B-C): Questions 742 - 745 of 921

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Question number: 742

» Magnetic Field & Electromagnetism

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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:

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Choice (5)Response

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Question does not provide sufficient data or is vague

Question number: 743

» Torque and Equilibrium

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Question

A mass of 2 kg suspended by two ropes

A Mass of 2 Kg Suspended by Two Ropes

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 )

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Choice (5)Response

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All of the above

Question number: 744

» Electric Circuits

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Question

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

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Choice (5)Response

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None of the above

Question number: 745

» Electrostatics

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Question

The paths of a proton in electric field

The Paths of a Proton in Electric Field

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?

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Choice (5)Response

a.

b.

c.

d.

All of the above

e.

Question does not provide sufficient data or is vague

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