1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
AIPMT 2008 Physics - Current Electricity Question 72 English
In the circuit shown, the current through the 4 $$\Omega $$ resistor is 1 amp when the points P and M are connected to a d.c. voltage source. The potential difference betwen the points M and N is
A
0.5 volt
B
3.2 volt
C
1.5 volt
D
1.0 volt
2
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
A wire of a certain material is stretched slowly by ten percent. Its new resistance and specific resistance become respectively
A
both remain the same
B
1.1 times, 1.1 times
C
1.2 times, 1.1 times
D
1.21 times, same
3
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
A current of 3 amp. flows through the 2 $$\Omega $$ resistor shown in the circuit. The power dissipated in the 5 $$\Omega $$ resistor is

AIPMT 2008 Physics - Current Electricity Question 68 English
A
1 watt
B
5 watt
C
4 watt
D
2 watt
4
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
A cell can be balanced against 110 cm and 100 cm of potentiometer wire, respectively with and without being short circuited through a resistance of 10 $$\Omega $$. Its internal resistance is
A
2.0 ohm
B
zero
C
1.0 ohm
D
0.5 ohm
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