1
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
In the circuit shown the cells A and B have negligible resistances. For VA = 12 V, R1 = 500 $$\Omega $$ and R = 100 $$\Omega $$ the galvanometer (G) shows no deflection. The value of Vs is

AIPMT 2012 Prelims Physics - Current Electricity Question 79 English
A
4 V
B
2 V
C
12 V
D
6 V
2
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
A ring is made of a wire having a resistance R0 = 12 $$\Omega $$. Find the points A and B, as shown in the figure, at which a current carrying conductor should be connected so that the resistance R of the sub circuit between these point is equal to $${8 \over 3}\Omega $$.
AIPMT 2012 Prelims Physics - Current Electricity Question 78 English
A
$${{{l_1}} \over {{l_2}}} = {5 \over 8}$$
B
$${{{l_1}} \over {{l_2}}} = {1 \over 3}$$
C
$${{{l_1}} \over {{l_2}}} = {3 \over 8}$$
D
$${{{l_1}} \over {{l_2}}} = {1 \over 2}$$
3
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
If voltage across a bulb rated 220 volt-100 watt drops by 2.5% of its rated value, the percentage of the rated value by which the power would decrease is
A
20%
B
2.5%
C
5%
D
10%
4
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
In the circuit shown in the figure, if the potential at point A is taken to be zero, the potential at point B is

AIPMT 2011 Mains Physics - Current Electricity Question 72 English
A
+1 V
B
$$-$$1 V
C
+2 V
D
$$-$$2 V
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