1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The magnetic lines of force inside a bar magnet
A
are from north-pole to south-pole of the magnet
B
do not exist
C
depend upon the area of cross-section of the bar magnet
D
are from south-pole to north-pole of the Magnet
2
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Two coils are placed close to each other. The mutual inductance of the pair of coils depends upon
A
the rates at which currents are changing in the two coils
B
relative position and orientation of the two coils
C
the currents in the two coils
D
the materials of the wires of the coils
3
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
In an oscillating $$LC$$ circuit the maximum charge on the capacitor is $$Q$$. The charge on the capacitor when the energy is stored equally between the electric and magnetic field is
A
$${Q \over 2}$$
B
$${Q \over {\sqrt 3 }}$$
C
$${Q \over {\sqrt 2 }}$$
D
$$Q$$
4
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The core of any transformer is laminated so as to
A
reduce the energy loss due to eddy currents
B
make it light weight
C
make it robust and strong
D
increase the secondary voltage
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