1
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

A charged particle is subjected to acceleration in a cyclotron which consists of two dees ' $\mathrm{D}_1$ ' and ' $D_2$ '. The charged particle undergoes increase in its speed.

A
inside $\mathrm{D}_1, \mathrm{D}_2$ and the gap between dees.
B
only inside $\mathrm{D}_1$.
C
only in the gap between $\mathrm{D}_1$ and $\mathrm{D}_2$.
D
only inside $\mathrm{D}_2$.
2
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The magnetic field at the centre of a current carrying circular coil of area ' $A$ ' is ' $B$ '. The magnetic moment of the coil is ( $\mu_0=$. permeability of free space)

A
$\frac{2 B}{\mu_0} \sqrt{\frac{A^3}{\pi}}$
B
$\frac{\mathrm{BA}^2}{4 \mu_0 \pi}$
C
$\frac{2 \pi}{\mu_0} \sqrt{A^3}$
D
$\frac{\mu_0}{2 B} \sqrt{\frac{A^3}{\pi}}$
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