# Moving Charges and Magnetism · Physics · AP EAPCET

Start Practice## MCQ (Single Correct Answer)

AP EAPCET 2022 - 4th July Morning Shift

Two infinitely long wires each carrying the same current and pointing in $$+y$$ direction are placed in the $$x y$$-plane, at $$x=-2 \mathrm{~cm}$$ an...

AP EAPCET 2022 - 4th July Morning Shift

Two electrons, $$e_1$$ and $$e_2$$ of mass $$m$$ and charge $$q$$ are injected into the perpendicular direction of the magnetic field $$B$$ such that ...

AP EAPCET 2021 - 20th August Morning Shift

A wire of length $$L$$ metre carrying a current $$I$$ ampere is bent in the form of a circle. Magnitude of its magnetic moment is

AP EAPCET 2021 - 20th August Morning Shift

What is the net force on the square coil?
...

AP EAPCET 2021 - 19th August Evening Shift

In a co-axial, straight cable, the central conductor and the outer conductor carry equal currents in opposite directions. The magnetic field is zero...

AP EAPCET 2021 - 19th August Evening Shift

The magnetic field, of a given length of wire
for single turn coil, at its centre is B, then its
value for two turns coil for the same wire is

AP EAPCET 2021 - 19th August Morning Shift

In which of the following case no force
exerted by a magnetic field on a charge?

AP EAPCET 2021 - 19th August Morning Shift

A long thin hollow metallic cylinder of radius
R has a current i ampere. The magnetic
induction B away from the axis at a distance r
from the axis var...