1
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
A short electric dipole has a dipole moment of 16 $$ \times $$ 10-9 Cm. The electric potential due to the dipole at a point at a distance of 0.6 m from the centre of the dipole, situated on a line making an angle of $$60^\circ $$ with the dipole axis is :

$$\left( {{1 \over {4\pi {\varepsilon _0}}} = 9 \times {{10}^9}N{m^2}/{C^2}} \right)$$
A
200 V
B
400 V
C
zero
D
50 V
2
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
In a certain region of space with volume 0.2 m3, the electric potential is found to be 5 V throughout. The magnitude of electric field in this region is :
A
0.5 N/C
B
1 N/C
C
5 N/C
D
zero
3
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
A spherical conductor of radius 10 cm has a charge of 3.2 $$ \times $$ 10-7 C distributed uniformly. That is the magnetude of electric field at a point 15 cm from the centre of the sphere?
$$\left( {{1 \over {4\pi {\varepsilon _0}}} = 9 \times {{10}^9}N{m^2}/{c^2}} \right)$$
A
1.28 $$ \times $$ 105 N/C
B
1.28 $$ \times $$ 106 N/C
C
1.28 $$ \times $$ 107 N/C
D
1.28 $$ \times $$ 104 N/C
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
A hollow metal sphere of radius R is uniformly charged. The electric field due to the sphere at a distance r from the centre :
A
zero as r increases for r < R, decreases as r increases for r > R
B
zero as r increases for r < R, increases as r increases for r > R.
C
decreases as r increases for r < R and for r > R.
D
increases as r increases for r < R and for r > R.
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