1
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If two inputs of a NAND gate are shorted, the resulting gate is

A
an OR gate
B
an AND gate
C
a NOT gate
D
a NOR gate
2
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Venturimeter is used to

A
measure liquid pressure.
B
measure liquid density.
C
measure rate of flow of liquids.
D
measure surface tension.
3
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following statements is 'WRONG' for the conductors?

A
In static situation, the interior of conductor can have no charge.
B
The net electrostatic field is zero in the interior of a conductor.
C
The electrostatic field just outside the surface of charged conductor must be tangential to the surface at any point.
D
The electrostatic potential is constant within and on the surface of a conductor.
4
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A circular coil of radius '$$r$$' and number of turns ' $n$ ' carries a current '$$I$$'. The magnetic fields at a small distance '$$h$$' along the axis of the coil $$\left(B_a\right)$$ and at the centre of the coil $$\left(\mathrm{B}_{\mathrm{c}}\right)$$ are measured. The relation between $$B_c$$ and $$B_a$$ is

A
$$\mathrm{B_c=B_a\left(1+\frac{h^2}{r^2}\right)}$$
B
$$\mathrm{B}_{\mathrm{c}}=\mathrm{B}_{\mathrm{a}}\left(1+\frac{\mathrm{h}^2}{\mathrm{r}^2}\right)^{\frac{1}{2}}$$
C
$$\mathrm{B}_{\mathrm{c}}=\mathrm{B}_{\mathrm{a}}\left(1+\frac{\mathrm{h}^2}{\mathrm{r}^2}\right)^{\frac{3}{2}}$$
D
$$\mathrm{B}_{\mathrm{c}}=\mathrm{B}_{\mathrm{a}}\left(1+\frac{\mathrm{h}^2}{\mathrm{r}^2}\right)^{-\frac{3}{2}}$$
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