1
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
2
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
3
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
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
The total power dissipated in watt in the circuit shown here is

AIPMT 2007 Physics - Current Electricity Question 66 English
A
40
B
54
C
4
D
16
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