1
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

An electron and a proton having the same momenta enter perpendicularly into a magnetic field. What are their trajectories in the field?

A
Path of the electron is more curved than that of proton
B
They will travel undeflected
C
Path of the proton is more curved than that of the electron
D
Both the electron and the proton will move along the same curved path but they will move in opposite directions
2
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

A solenoid 2 m long and 4 cm in diameter has 4 layers of windings of 1000 turns each and carries a current of 5 A. What is the magnetic field at its centre along the axis? [$$\mu_0=4\pi\times10^{-7}$$ Wb/Am]

A
$$10^{-3}$$ T
B
$$2\pi\times10^{-3}$$ T
C
$$4\pi\times10^{-3}$$ T
D
$$8\pi\times10^{-3}$$ T
3
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

A particle of charge 'q' and mass 'm' moves in a circular orbit of radius 'r' with angular speed '$$\omega$$'. The ratio of the magnitude of its magnetic moment to that of its angular momentum depends on

A
$$\omega$$ and q
B
$$\omega$$ and m
C
q and m
D
$$\omega$$, q and m
4
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

A current carrying loop is placed in a uniform magnetic field. The torque acting on the loop does not depend upon

A
area of loop
B
number of turns in the loop
C
shape of the loop
D
strength of the magnetic field
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