1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
If a current is passed through a spring then the spring will
A
expand
B
compress
C
remains same
D
none of these
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
If in a circular coil $$A$$ of radius $$R,$$ current $$I$$ is flowing and in another coil $$B$$ of radius $$2R$$ a current $$2I$$ is flowing, then the ratio of the magnetic fields $${B_A}$$ and $${B_B}$$, produced by them will be
A
$$1$$
B
$$2$$
C
$$1/2$$
D
$$4$$
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
If an electron and a proton having same momentum enter perpendicular to a magnetic field, then
A
curved path of electron and proton will be same (ignoring the sense of revolution)
B
they will move undeflected
C
curved path of electron is more curved than that of the proton
D
path of proton is more curved.
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
The time period of a charged particle undergoing a circular motion in a uniform magnetic field is independent of its
A
speed
B
mass
C
charge
D
magnetic induction
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