1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
The internal resistance of a 2.1 V cell which gives a current of 0.2 A through a resistance of 10 $$\Omega $$ is
A
0.8 $$\Omega $$
B
1.0 $$\Omega $$
C
0.2 $$\Omega $$
D
0.5 $$\Omega $$
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
A bar magnet of length $$'l'$$ and magnetic dipole moment 'M' is bent in the form of an arc as shown in figure. The new magnetic dipole moment will be

NEET 2013 Physics - Magnetism and Matter Question 40 English
A
$${2 \over \pi }M$$
B
$${M \over 2}$$
C
M
D
$${3 \over \pi }M$$
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
A, B and C are three points in a uniform electric field. The electric potential is

NEET 2013 Physics - Electrostatics Question 64 English
A
maximum at C
B
same at all the three points A, B and C
C
maximum at A
D
maximum at B
4
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
A wire of resistance 4 $$\Omega $$ is stretched to twice its original length. The resistance of stretched wire would be
A
8 $$\Omega $$
B
16 $$\Omega $$
C
2 $$\Omega $$
D
4 $$\Omega $$