WorksheetsEXAM DOSE
Total questions: 10
Worksheet time: 16mins
Q1
1
2
3
4
Q2. Force between two identical spheres A and B carrying same charge and separated by distance r in vacuum is F. A third identical sphere C first brought in contact with A and then B and finally , C is taken away. Now force between A and B becomes
F/4
F/8
3F/4
3F/8
Q3
1
2
3
4
Q. Figure shows electric field lines in which an electric dipole P is placed as shown. Which of the following statements is correct?
The dipole will not experience any force
The dipole will experience a force towards right.
The dipole will experience a force towards left
The dipole will experience a force upwards
Q. An uniform electric field E= (10 i +5 j) V/mis present in space. Find out flux passing through the area of 10 m2 ,if it lies in y-z plane
(a)
Q. What is the force acting between two alpha particles if the distance between them is 3.2 ×10−15 m?
900 N
1800 N
180 N
90 N
Q. Two point charges +9q and +q are kept 16 cm apart. Where should a third charge Q be placed between them so that the system remains in equilibrium?
24 cm from+9q
12 cm from +9q
24 cm from +q
12 cm from +q
Q. Find the value of charge ,placed at the center of given system, so that the system will remain in equilibrium
(a)
Q.
A
B
C
D
Q.
A
B
C
D
