Physics Objective Questions and Answers: Current Electricity
Review structured MCQ sets for JEE Physics Current Electricity. Built according to official JEE guidelines, these downloadable questions support daily revision and core concept reinforcement.
Download Current Electricity MCQs with Answers
Access the complete set of multiple-choice questions for Current Electricity below. This focused format allows students to isolate specific topics for thorough review and uninterrupted practice alongside official JEE textbooks.
Question. Five cells each of emf E and internal resistance r are connected in series. Due to oversight one cell is connected wrongly. The equivalent internal resistance of the combination is
(a) 5r
(b) 4r
(c) 2r
(d) 3r
Answer: A
Question. Ten identical cells connected in series are needed to heat a wire of length one meter and radius 'r' by 10ºC in time 't'. How many cells will be required to heat the wire of length two meter of the same radius by the same temperature in time 't'?
(a) 20
(b) 10
(c) 30
(d) 40
Answer: A
Question. If voltage across a bulb rated 220 volt - 100 watt drops by 2.5% of its rated value, the percentage of the rated value by which the power would decrease is
(a) 5%
(b) 10%
(c) 20%
(d) 2.5%
Answer: A
Question. A milli voltmeter of 25 milli volt range is to be converted into an ammeter of 25 ampere range. The value (in ohm) of necessary shunt will be
(a) 0.001
(b) 0.01
(c) 0.05
(d) 1
Answer: D
Question. The mobility of charge carriers increases with
(a) Increase in the average collision time
(b) Increase in the electric field
(c) Decrease in the charge of the mobile carriers
(d) Increase in the mass of the charge carriers
Answer: A
Question. A wire of a certain material is stretched slowly by ten percent. It new resistance and specific resistance become respectively
(a) 1.21 times, same
(b) 1.1 times, 1.1 times
(c) 1.2 times, 1.1 times
(d) Both remain the same
Answer: A
Question. Identify the set in which all the three materials are good conductors of electricity?
(a) Cu, Ag and Au
(b) Cu, Si and diamond
(c) Cu, Ge and Hg
(d) Cu, Hg and NaCl
Answer: A
Question. A flow of 107 electrons per second in a conducting wire constitutes a current of
(a) 1.6 × 10–12 A
(b) 1.6 × 1026 A
(c) 1.6 × 10–26 A
(d) 1.6 × 1012 A
Answer: A
Question. Three copper wires have lengths and cross-sectional areas as (/, A), (2l, A/2) and (l/2, 2A). Resistance is minimum in
(a) Wire of cross-sectional area 2A
(b) Wire of cross-sectional area A
(c) Wire of cross-sectional area 1/2 A
(d) Same in all three cases
Answer: A
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Practice MCQs for JEE Physics Current Electricity
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FAQs
You can get most exhaustive JEE Physics Current Electricity MCQs Set 02 for free on StudiesToday.com. These MCQs for JEE Physics are updated for the 2026-27 academic session as per JEE examination standards.
Yes, our JEE Physics Current Electricity MCQs Set 02 include the latest type of questions, such as Assertion-Reasoning and Case-based MCQs. 50% of the JEE paper is now competency-based.
By solving our JEE Physics Current Electricity MCQs Set 02, JEE students can improve their accuracy and speed which is important as objective questions provide a chance to secure 100% marks in the Physics.
Yes, Physics MCQs for JEE have answer key and brief explanations to help students understand logic behind the correct option as its important for 2026 competency-focused JEE exams.
Yes, you can also access online interactive tests for JEE Physics Current Electricity MCQs Set 02 on StudiesToday.com as they provide instant answers and score to help you track your progress in Physics.