1
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
A galvanometer of resistance, G, is shunted by a resistance S ohm. To keep the main current in the circuit unchanged, the resistance to be put in series with the galvanometer is
A
$${G \over {(S + G)}}$$
B
$${{{S^2}} \over {\left( {S + G} \right)}}$$
C
$$\left( {{{SG} \over {S + G}}} \right)$$
D
$${{{G^2}} \over {(S + G)}}$$
2
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
A square loop, carrying a teady current $$I$$, is placed in a horizontal plane near a long straight conductor carrying a steady current $$I$$1 at a distance d from the conductor as shown in figure. The loop will experience
AIPMT 2011 Mains Physics - Moving Charges and Magnetism Question 47 English
A
a net attractive force towards the conductor
B
a net repulsive force away from the conductor
C
a net torque acting upward perpendicular to the horizontal plane
D
a net torque acting downward normal to horizontal plane
3
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
A short bar magnet of magnetic moment 0.4 J T$$-$$1 is placed in a uniform magnetic field of 0.16 T. The magnet is in stable equilibrium when the potential energy is
A
0.064 J
B
$$-$$ 0.064 J
C
zero
D
$$-$$ 0.082 J
4
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
The r.m.s. value of potential difference V shown in the figure is

AIPMT 2011 Mains Physics - Alternating Current Question 41 English
A
$${{{V_0}} \over {\sqrt 3 }}$$
B
V0
C
$${{{V_0}} \over {\sqrt 2 }}$$
D
$${{{V_0}} \over 2}$$
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