AIPMT 2008 | Current Electricity Question 77 | Physics

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

0.5 volt

3.2 volt

1.5 volt

1.0 volt

AIPMT 2008

MCQ (Single Correct Answer)

-1

A wire of a certain material is stretched slowly by ten percent. Its new resistance and specific resistance become respectively

both remain the same

1.1 times, 1.1 times

1.2 times, 1.1 times

1.21 times, same

AIPMT 2008

MCQ (Single Correct Answer)

-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 20^oC ? The temperature of boiling water is 100^oC

12.6 min

4.2 min

6.3 min

8.4 min

AIPMT 2008

MCQ (Single Correct Answer)

-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 71 English

AIPMT 2008 Physics - Current Electricity Question 71 English

1 watt

5 watt

4 watt

2 watt

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