1
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0
A regular hexagon of side $$m$$ which is a wire of length 24 m is coiled on that hexagon. If current in hexagon is $$I$$, then the magnetic moment,
2
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0
Two particles of masses $$m_1=m,m_2=2m$$ and charges $$q_1=q,q_2=2q$$ entered into uniform magnetic field. Find $$F_1/F_2$$ (force ratio).
3
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0
A long solenoid has 20 turns cm$$^{-1}$$. The current necessary to produce a magnetic field of 20 mT inside the solenoid is approximately
4
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0
A constant current flows from A to B as shown in the figure. What is the direction of current in the circle?
Questions Asked from Moving Charges and Magnetism (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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