1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Two coils of self inductance 2 mH and 8 mH are placed so close together that the effective flux in one coil is completely linked with the other. The mutual inductance between these coils is
A
16 mH
B
10 mH
C
6 mH
D
4 mH
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
A coil of inductive reactance 31 $$\Omega $$ has a resistance of 8 $$\Omega $$. It is placed in series with a condenser of capacitative reactance 25 $$\Omega $$. The combination is connected to an a.c. source of 110 V. The power factor of the circuit is
A
0.33
B
0.56
C
0.64
D
0.80
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
The core of a transformer is laminated because
A
ratio of voltage in primary and secondary may be increased
B
energy losses due to eddy currents may be minimised
C
the weight of the transformer may be reduced
D
rusting of the core may be prevented.
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
A square surface of side L metres is in the plane of the paper. A uniform electric field $$\overrightarrow E $$ (volt/m), also in the plane of the paper is limited only to the lower half of the square surface (see figure). The electric flux in SI inits associated with the surface is

AIPMT 2006 Physics - Electrostatics Question 38 English
A
EL2
B
EL2/2$$\varepsilon $$0
C
EL2/2
D
zero
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12