## Current Electricity Quiz-2

As per analysis for previous years, it has been observed that students preparing for NEET find Physics out of all the sections to be complex to handle and the majority of them are not able to comprehend the reason behind it. This problem arises especially because these aspirants appearing for the examination are more inclined to have a keen interest in Biology due to their medical background.

Furthermore, sections such as Physics are dominantly based on theories, laws, numerical in comparison to a section of Biology which is more of fact-based, life sciences, and includes substantial explanations. By using the table given below, you easily and directly access to the topics and respective links of MCQs. Moreover, to make learning smooth and efficient, all the questions come with their supportive solutions to make utilization of time even more productive. Students will be covered for all their studies as the topics are available from basics to even the most advanced.

Q11. The length of a conductor is doubled and its radius is halved, its specific resistance is
•  Unchanged
•  Halved
•  Doubled
Solution
Specific resistance is independent of dimensions of conductor but depends on nature of conductor.

Q12.In India electricity is supplied for domestic use at 220 V. It is supplied at 110 V in USA. If the resistance of a 60 W bulb for use in India is R,the resistance of a 60 W bulb for use in USA will be
•  R
•  2R
•  R/4
•  R/2
Solution

Q13.  Equivalent resistance between the points A and B is (in Î©)

•   1/5
•  1 1/4
•  2 1/3
•  3 1/2
Solution

Q14. A 100 W bulb B1 and two 60 W bulbs B2 and B3 are connected to a 250 V source as shown in figure. Now W1,W2 and W3 are the output powers of the bulbs B1,B2 and B3 respectively, then
•  W1>W2=W3
•  W1>W2>W3
•  W1<W2=W3
•  W1<W2 < W3
Solution

Q15.A current of 6A enters one corner P of an equilateral triangle PQR having 3 wires of resistances 2Î© each and leaves by the corner R. Then the current I1 and I2 are
•  2A,4A
•  4A,2A
•  1A,2A
•  2A,3A
Solution

Q16. A cell can be balanced against 110cm and 100cm of potentiometer wire, respectively with and without being short circuited through a resistance of 10 Î©. Its internal resistance is
•  Zero
Solution

Q17.The equivalent resistance of the following infinite network of resistance is

Solution

Q18.The equivalent resistance between A and B in the given circuit is

Solution

Q19.The chemical equivalent of silver is 108. If the current in a silver voltmeter is 2 amp, the time required to deposit 27 grams of silver will be
•  8.57 hrs
•  6.70 hrs
•  3.35 hrs
•  12.50 hrs
Solution

Q20. Which of the following set up can be used to verify the Ohm’s law?
•

•

•

•

Solution

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