1
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A metallic sphere ' A ' isolated from ground is charged to $+50 \mu \mathrm{C}$. This sphere is brought in contact with other isolated metallic sphere ' $B$ ' of half the radius of sphere ' $A$ '. Then the charge on the two isolated spheres A \& B are in the ratio

A
$1: 2$
B
$2: 1$
C
$4: 1$
D
$1: 1$
2
MHT CET 2024 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A regular hexagon of side 10 cm has a charge $1 \mu \mathrm{C}$ at each of its vertices. The potential at the centre of hexagon is $\left[\frac{1}{4 \pi \varepsilon_0}=9 \times 10^9\right.$ SI unit $]$

A
$1.8 \times 10^5$ volt
B
$3.6 \times 10^5$ volt
C
$5.4 \times 10^5$ volt
D
$7.2 \times 10^5$ volt
3
MHT CET 2024 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two charged particles each having charge ' $q$ ' and mass ' $m$ ' are held at rest while their separation is ' $r$ '. The speed of the particles when their separation is ' $\frac{\mathrm{r}}{2}$ ' will be ( $\varepsilon_0=$ permittivity of the medium)

A
$\frac{q}{4 \pi \varepsilon_0 \mathrm{mr}}$
B
$\frac{\mathrm{q}}{2 \pi \varepsilon_0 \mathrm{mr}}$
C
$\frac{\mathrm{q}}{\sqrt{4 \pi \varepsilon_0 \mathrm{mr}}}$
D
$\frac{\mathrm{q}^2}{4 \pi \varepsilon_0 \mathrm{mr}}$
4
MHT CET 2024 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A charge $+Q$ is placed at each of the diagonally opposite corners of a square. A charge -q is placed at each of the other diagonally opposite corners as shown. If the net electrical force on $+Q$ is zero, then $\frac{+Q}{-q}$ is equal to

MHT CET 2024 3rd May Evening Shift Physics - Electrostatics Question 64 English

A
$+1$
B
$+2 \sqrt{2}$
C
$\frac{+1}{\sqrt{2}}$
D
$-2 \sqrt{2}$
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