1
MHT CET 2024 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If a unit charge is taken from one point to another point over an equipotential surface, then

A
work is done on the charge.
B
work is done by the charge.
C
work done on the charge is constantly increasing.
D
work done to move a charge is zero.
2
MHT CET 2024 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two soap bubbles having radii ' $r_1$ ' and ' $r_2$ ' has inside pressure ' $P_1$ ' and ' $\mathrm{P}_2$ ' respectively. If $\mathrm{P}_0$ is external pressure then ratio of their volume is

A
$\frac{\left(\mathrm{P}_1-\mathrm{P}_0\right)}{\left(\mathrm{P}_2-\mathrm{P}_0\right)}$
B
$\frac{\left(\mathrm{P}_2-\mathrm{P}_0\right)}{\left(\mathrm{P}_1-\mathrm{P}_0\right)}$
C
$\frac{\left(P_2-P_0\right)^3}{\left(P_1-P_0\right)^3}$
D
$\frac{\left(\mathrm{P}_1-\mathrm{P}_0\right)^3}{\left(\mathrm{P}_2-\mathrm{P}_0\right)^3}$
3
MHT CET 2024 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A transformer has 120 turns in the primary coil and carries 5 A current. Input power is one kilowatt. To have 560 V output, the number of turns in secondary coil will be

A
168
B
200
C
336
D
400
4
MHT CET 2024 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A vehicle runs on a straight road of length 'L'. It travels half the distance with speed V and the remaining distance with speed $\frac{\mathrm{V}}{3}$. Its average speed is

A
$\frac{3 \mathrm{~V}}{2}$
B
$\mathrm{V}$
C
$\frac{\mathrm{V}}{2}$
D
$\frac{2 V}{3}$
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