1
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
An electron having mass m and kinetic energy E anter in uniform magnetic field B perpendiculaly, then its frequency will be
A
$${{eE} \over {qvB}}$$
B
$${{2\pi m} \over {eB}}$$
C
$${{eB} \over {2\pi m}}$$
D
$${{2m} \over {eBE}}$$
2
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Among which the magnetic susceptibility does not depened on the temperature ?
A
diamagnetism
B
paramagnetism
C
ferromagnetism
D
ferrite.
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Tangent galvanometer is used to measure
A
potential difference
B
current
C
resistance
D
charge
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
For a coil having L = 2 mH, current flow through it is $$I = {t^2}{e^{ - t}}$$ then, the time at which emf become zero
A
2 sec
B
1 sec
C
4 sec
D
3 sec
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12