11th chapter 1 quiz

Welcome in the test section. here you will get class 11th’s chapter 02 ( units and measurements) quiz test. total numbers of question is 10. every questions contains 4 options.

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Units and measurements ( MCQ's Test )

1 / 10

Two similar spheres having +Q and -Q charges are kept at a certain distance. F force acts between the two. If at the middle of two spheres, another similar sphere having +Q charge is kept, then it experiences a force in magnitude and direction as

2 / 10

The electric field inside a spherical shell of uniform surface charge density is

3 / 10

Two charges of equal magnitudes kept at a distance r exert a force F on each other. If the charges are halved and distance between them is doubled, then the new force acting on each charge is

4 / 10

Which of the following statement is correct? The electric field at a point is

5 / 10

A charge Q is divided into two parts of q and Q – q. If the coulomb repulsion between them when they are separated is to be maximum, the ratio of Q/q should be

6 / 10

When a glass rod is rubbed with silk, it

7 / 10

Electric field at a point varies as r° for

8 / 10

In general, metallic ropes are suspended on the carriers taking inflammable materials. The reason is

9 / 10

The magnitude of electric field intensity E is such that, an electron placed in it would experience an electrical force equal to its weight is given by

10 / 10

The electric field intensity due to an infinite cylinder of radius R and having charge q per unit length at a distance rir r(r > R) from its axis is

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