LÍ HK1

LÍ HK1

1st Grade

59 Qs

quiz-placeholder

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LÍ HK1

LÍ HK1

Assessment

Quiz

Physics

1st Grade

Hard

Created by

Tung Pham

FREE Resource

59 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements is incorrect?

Electron is a particle with a negative charge: -1.6 x 10^-19 (C).

Electron is a particle with a mass of 9.1 x 10^-31 (kg).

An atom can lose or gain electrons to become an ion.

Electrons cannot move from one object to another.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two objects can exert electric force on each other:

Only when they are both conductors.

Only when they are both insulators.

When one is an insulator and the other is a conductor.

When one of the two objects carries an electric charge.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements is incorrect?

In a conductor, there are many free charges.

In an insulator, there are very few free charges.

Overall, a charged object still behaves like a neutral object.

Overall, a charged object in contact still behaves like a neutral object.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The intensity of the electric field at a point characterizes the electric field at that point in terms of:

The direction of the electric field vector.

The direction of the force acting.

The magnitude of the electric field vector.

The effect of electric force.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following concepts describes the strength of the electric field at a point?

Electric charge

Electric field

Electric field strength

Electric field lines

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The direction of the electric field vector caused by a point charge Q < 0 at a point M is:

Towards Q.

Away from Q.

In the same direction as F.

Opposite to the direction of F.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The work done by the electric force on a charge:

Does not depend on the path taken by the charge.

Depends only on the magnitude of the charge.

Depends on the path taken by the charge.

Depends only on the strength of the electric field.

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