1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
When a charged particle moving with velocity $$\overrightarrow v $$ is subjected to a magnetic field of induction $$\overrightarrow B $$, the force on it is non-zero. This implies that
A
angle between is either zero or 180o
B
angle between is necessarily 90o
C
angle between can have any value other than 90o
D
angle between can have any value other than zero and 180o.
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
An electron moves in a circular orbit with a uniform speed v. It producess a magnetic field B at the centre of the circle. The radius of the circle is proportional to
A
$$\sqrt {B/v} $$
B
$$B/v$$
C
$$\sqrt {v/B} $$
D
$$v/B$$
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
A very long straight wire carries a current $$I$$. At the instant when a charge +Q at point P has velocity $$\overrightarrow v $$, as shown, the force on the charge is

AIPMT 2005 Physics - Moving Charges and Magnetism Question 32 English
A
along Oy
B
opposite to Oy
C
along Ox
D
opposite to Ox
4
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
A galvanometer of 50 ohm resistance has 25 divisions. A current of 4 $$ \times $$ 10$$-$$4 ampere gives a deflection of one division. To convert this galvanometer into a voltmeter having a range of 25 volts, it should be connected with a resistance of
A
$$2500\,\Omega $$ as a shunt
B
2450 $$\Omega $$ as a shunt
C
2550 $$\Omega $$ in series
D
2450 $$\Omega $$ in series
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