Electrostatics 12th Grade Quiz

Electrostatics

Assessment

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Payal Rampuria

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Physics

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12th Grade

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307 plays

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Hard

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20 questions

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Multiple Choice

45 sec

1 pt

The electric potential at a distance of 4 m from a certain point charge is 200 V relative to infinity. What is the potential (relative to infinity) at a distance of 2 m from the same charge?

600 V

50 V

200 V

400 V

Multiple Choice

45 sec

1 pt

A region of space contains a uniform electric field, directed toward the right, as shown in the figure. Which statement about this situation is correct?

The potential at point A is the highest, the potential at point B is the second highest, and the potential at point C is the lowest.

The potential at points A and B are equal, and the potential at point C is lower than the potential at point A.

The potential at all three locations is the same.

The potentials at points A and B are equal, and the potential at point C is higher than the potential at point A.

Multiple Choice

45 sec

1 pt

Two protons are released from rest, with only the electrostatic force acting. Which of the following statements is NOT true about them as they move apart?

Their electric potential energy keeps decreasing.

Their electric potential energy keeps increasing.

Their acceleration keeps decreasing.

Their kinetic energy keeps increasing.

Multiple Choice

45 sec

1 pt

How much work must we do on an electron to move it from point A, which is at a potential of +50V, to point B, which is at a potential of -50 V, along the semicircular path shown in the figure? Assume the system is isolated from outside forces. (e = 1.60 × 10^-19C)

1.60 × 10^-17 J

-1.6 J

1.6 J

-1.60 × 10^-17 J

Multiple Choice

45 sec

1 pt

A and B are two conducting spheres of the same radius A being solid and B hollow, both have same charge. What will be the relation between their electric fields inside the two spheres at depth of half of their radius?

E_A=E_B