1
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
See the electrical circuit shown in this figure. Which of the following equations is a correct equation for it ?

AIPMT 2009 Physics - Current Electricity Question 76 English
A
$${\varepsilon _2} - {i_2}{r_2} - {\varepsilon _1} - {i_1}{r_1} = 0$$
B
$$ - {\varepsilon _2} - \left( {{i_1} + {i_2}} \right)R + {i_2}{r_2} = 0$$
C
$${\varepsilon _1} - \left( {{i_1} + {i_2}} \right)R + {i_1}{r_1} = 0$$
D
$${\varepsilon _1} - \left( {{i_1} + {i_2}} \right)R - {i_1}{r_1} = 0$$
2
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
3
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
An electric kettle takes 4 A current at 220 V. How much time will it take to boil 1 kg of water from temperature 20oC ? The temperature of boiling water is 100oC
A
12.6 min
B
4.2 min
C
6.3 min
D
8.4 min
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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