01.Electric Charges and Fields | NEET Physics
This is a flash card deck for the chapter 'Electric Charges and Fields' of Class 12th, based on the latest syllabus for NEET 2024. You can download other chapters by clicking on "The author has shared x other item(s)." below the title of this page.
⚠️TIP: When studying for the first time, focus on learning instead of answering, and when the next time the same card shows up again, then try to answer, so that you know what kind of answer you have to give and understand the question better. Remember, your answer does not need to be theoretically identical to the real answer, answer it in your way and then revise the official answer while checking your own answer. It's Physics so mostly it's just formulas, this deck is best for repetitive revision of formulas, as that's the most important part in physics for NEET, but ofc this is not enough, a good amount of question practice is very important, flashcards can only help you in remembering formulas. I hope these flash cards will help you in your preparations. Best of Luck for your NEET exam, do you best👍🙏.
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Sample Data
| Text | Torque on a dipole in uniform electric fieldTorque = {{c1::force}} × perpendicular distance from axis of rotation to line of force (length of arm).Net force on dipole (Fnet) in uniform electric field is {{c1::zero}}Formula → {{c1::
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 At θ = 0° → Stable Equilibrium (both Transitional and Rotational) | Perform SHM | Minimum Potential EnergyAt θ = 90° → Translation Equilibrium (not rotational) | Maximum Torque.At θ = 180 → Unstable Equilibrium | No SHM | Maximum Potential Energy |
| Personal Notes | We study about Torque in 'System of Particles and Rotational Motion' chapter |
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| Text | Types of Fields produced in different type of motion of electric charges - Charge at rest produce: {{c1::Only electric field}},Charge in constant Velocity produce: {{c1::Both electric and magnetic fields}},Charge in accelerated motion produce: {{c1::Electric, magnetic and electromagnetic field}}. |
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| Text | Charges are {{c1::Scalar}} Quantity. | SI Unit is {{c1::Coulomb}}. It is integral multiple of charge on a electron i.e. charge is {{c1::quantized}}. Q = {{c1::± ne (n = 0,1,2,3,...)}}, where e = {{c1::1.6 × 10-19}} COther Units: (electrostatic unit) 1esu = {{c1::⅓ × 109}} Coulomb | (electromagnetic unit) 1emu = {{c1::10}} Coulomb | {{c1::Franklin}} is smallest unit of charge. |
| Extra | Charges may get redistributed but the total charge of the isolated system is always conserved.Example:
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