1
NEET 2018
MCQ (Single Correct Answer)
+4
-1
The electrostatic force between the metal plates of an isolated parallel plate capacitor C having a charge Q and area A, is
A
Independent of the distance between the plates
B
Linearly proportional to the distance between the plates
C
Proportional to the square root of the distance between the plates
D
Inversely proportional to the distance between the plates
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
An electron falls from rest through a vertical distance h in a uniform and vertically upward directed electric field E. The direction of electric field is now reversed, keeping its magnitude the same. A proton is allowed to fall from rest in it through the same vertical distance h. The time of fall of the electron, in comparison to the time of fall of the proton is
A
smaller
B
5 times greater
C
10 times greater
D
equal
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
A toy car with charge q moves on a frictionless horizontal plane surface under the influence of a uniform electric field $$\overrightarrow E $$ . Due to the force q$$\overrightarrow E $$ , its velocity increases from 0 to 6 m s–1 in one second duration. At that instant the direction of the field is reversed. The car continues to move for two more seconds under the influence of this field. The average velocity and the average speed of the toy car between 0 to 3 seconds are respectively
A
2 m s–1, 4 m s–1
B
1 m s–1, 3 m s–1
C
1 m s–1, 3.5 m s–1
D
1.5 m s–1, 3 m s–1
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
A capacitor is charged by a battery. The battery is removed and another identical unchanged capacitor is connected in parallel. The total electrostatic energy of resulting system
A
decreases by a factor of 2
B
remains the same
C
increases by a factor of 2
D
increases by a factor of 4
NEET Subjects
EXAM MAP
Joint Entrance Examination
JEE MainJEE AdvancedWB JEEBITSAT
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN