1
CBSE 12th Physics (Term 1) Paper 2021-22
+0.77
-0
An object has charge of 1 C and gains 5.0 $$\times$$ 1018 electrons. The net charge on the object becomes -
A
$$-$$ 0.80 C
B
+ 0.80 C
C
+ 1.80 C
D
+ 0.20 C
2
CBSE 12th Physics (Term 1) Paper 2021-22
+0.77
-0
The electric potential V at any point (x, y, z) is given by V = 3x2 where x is in metres and V in volts. The electric field at the point (1 m, 0, 2m) is -
A
6 V/m along $$-$$x-axis
B
6 V/m along +x-axis
C
1.5 V/m along$$-$$x-axis
D
1.5 V/m along +x-axis
3
CBSE 12th Physics (Term 1) Paper 2021-22
+0.77
-0
Which of the diagrams correctly represents the electric field between two charged plates if a neutral conductor is placed in between the plates?
A
B
C
D
4
CBSE 12th Physics (Term 1) Paper 2021-22
+0.77
-0
The magnitude of electric field due to a point charge 2q, at distance r is E. Then the magnitude of electric field due to a uniformly charged thin spherical shell of radius R with total charge q at a distance $${r \over 2}(r > > R)$$ will be
A
$${E \over 4}$$
B
0
C
2E
D
4E
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