Current Electricity Important Questions for NEET: Current electricity is an essential topic for students preparing for the NEET exam. It deals with the flow of electric charge, a fundamental concept in physics. A strong understanding of current electricity is vital because this topic is frequently tested in the NEET exam. By mastering it, students can boost their chances of scoring well and performing successfully in both theoretical and practical sections.
Also Check: Current Electricity NEET Notes
Current electricity is the study of the movement of electric charge through a conductor, usually in the form of electrons. It involves concepts like electric current, resistance, Ohm’s law, and power. The topic covers various aspects of electric circuits, such as potential difference, series and parallel circuits, and Kirchhoff’s laws. Understanding these concepts will help students solve related problems in the NEET exam.
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Current electricity refers to the flow of electric charge through a conductor. This flow is usually caused by the movement of electrons in a wire, and it is measured in amperes (A). The concepts of current, resistance, voltage, and Ohm’s law are key to understanding current electricity and solving related problems.
Here, you will find a set of practice questions for current electricity. These questions are part of the Prachand Batch 2025 preparation series. Solving these practice questions will help you understand the key concepts and improve your problem-solving skills.
Q1. If a 20μA current flows for 30 seconds in a wire, what will be the transfer of charge?
Q2. When a potential difference of 10 V is applied across a conductor of 1000 Ω, what is the number of electrons flowing through the conductor in 300 s?
Q3. In a wire with cross-sectional area 10⁻⁶ square metre, there is a current of 40 A. If the number of free electrons per cubic metre is 10²⁸, what will be the drift velocity?
Q4. For a conductor of length l and area of cross-section A with resistivity ρ, if the length is doubled and area of cross-section is halved, its new resistivity will be:
Q5. Assertion (A): Ohm's law is universally applicable for all conducting elements.
Reason (R): All conducting elements do not show straight line graphic variation on (I-V) plot.
Q6. When a current flows through a conductor its temperature _______.
Q7. The correct relation between current density (J) and electric field (E) is:
(Where ρ is resistivity, σ is conductivity and R is resistance of conductor)
Q8. The current in the adjoining circuit with voltage source 2V and three 30Ω resistors in the shown configuration will be:
The complete set of practice questions for current electricity, along with explanations, is available for download. The PDF will help you practice and understand the concepts clearly. Make sure to solve these regularly for better preparation.
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