1
MHT CET 2021 24th September Morning Shift
+1
-0

Let A, B and C be the three points in a uniform electric field $$\text { ( } \overrightarrow{\mathrm{E}})$$ as shown. The electric potential is

A
maximum at point $$\mathrm{C}$$
B
maximum at point $$\mathrm{A}$$
C
maximum at point $$\mathrm{B}$$
D
same at all points $$\mathrm{A}, \mathrm{B}$$ and $$\mathrm{C}$$
2
MHT CET 2021 23rd September Evening Shift
+1
-0

Two positive ions, each carrying a charge 'q' are separated by a distance 'd'. If 'F' is the force of repulsion between the ions, the number of electrons from each ion will be ($$\varepsilon$$ = charge on $$\varepsilon_k$$ = permittivity of free space)

A
$$\sqrt{\frac{4 \pi \varepsilon_0 \mathrm{~d}^2}{\mathrm{e}^2}}$$
B
$$\sqrt{\frac{4 \pi \varepsilon_0 \mathrm{Fd}}{\mathrm{e}^2}}$$
C
$$\sqrt{\frac{4 \pi \varepsilon_0 F d^2}{\mathrm{e}}}$$
D
$$\sqrt{\frac{4 \pi \varepsilon_0 \mathrm{Fd}^2}{\mathrm{e}^2}}$$
3
MHT CET 2021 23rd September Evening Shift
+1
-0

Three charges $$-\mathrm{q}, \mathrm{Q}$$ and $$-\mathrm{q}$$ are placed at equal distances on a straight line. If the total potential energy of the system of three charges is zero then the ratio $$\frac{Q}{q}$$ is

A
$$1: 2$$
B
$$1: 1$$
C
$$1: 4$$
D
$$1: 3$$
4
MHT CET 2021 23rd September Evening Shift
+1
-0

Two point charges $$+3 \mu \mathrm{C}$$ and $$+8 \mu \mathrm{C}$$ repel each other with a force of $$40 \mathrm{~N}$$. If a charge of $$-5 \mu \mathrm{C}$$ is added to each of them, then force between them will become

A
$$-$$10 N
B
10 N
C
20 N
D
$$-$$20 N
EXAM MAP
Medical
NEET