1
KCET 2021
MCQ (Single Correct Answer)
+1
-0

A tightly wound long solenoid has $n$ turns per unit length, a radius $$r$$ and carries a current $$I$$. A particle having charge $$q$$ and mass $$m$$ is projected from a point on the axis in a direction perpendicular to the axis. The maximum speed of the particle for which the particle does not strike the solenoid is

A
$$\frac{\mu_0 n I q r}{m}$$
B
$$\frac{\mu_0 n I q r}{2 m}$$
C
$$\frac{\mu_0 n I q r}{4 m}$$
D
$$\frac{\mu_0 n I q r}{8 m}$$
2
KCET 2021
MCQ (Single Correct Answer)
+1
-0

Which of the field pattern given below is valid for electric field as well as for magnetic field?

A
KCET 2021 Physics - Moving Charges and Magnetism Question 2 English Option 1
B
KCET 2021 Physics - Moving Charges and Magnetism Question 2 English Option 2
C
KCET 2021 Physics - Moving Charges and Magnetism Question 2 English Option 3
D
KCET 2021 Physics - Moving Charges and Magnetism Question 2 English Option 4
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