1
MHT CET 2024 16th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A body performing uniform circular motion of radius ' $R$ ' has frequency ' $n$ '. Its centripetal acceleration per unit radius is proportional to $(n)^x$. The value of $x$ is

A
1
B
2
C
$-$1
D
$-$2
2
MHT CET 2024 16th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A solenoid having 400 turns per metre has a core of a material with relative permeability 400. When a current of 0.5 A is passed through it, the magnetization of the core material in $\mathrm{Am}^{-1}$ is nearly

A
$6 \times 10^5$
B
$6 \times 10^4$
C
$8 \times 10^5$
D
$8 \times 10^4$
3
MHT CET 2024 16th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Three identical metal balls each of radius ' $r$ ' are placed such that an equilateral triangle is formed when centres of three ball are joined. The centre of mass of the system is located at

A
centre of one of the balls.
B
point of intersection of medians.
C
line joining centres of any two balls.
D
on the circumference of any one of the balls.
4
MHT CET 2024 16th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two identical galvanometers are converted into an ammeter and into milliammeter. For the same current, the value of shunt of the ammeter as compared to that of milliammeter is

A
less
B
equal
C
more
D
zero
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