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CRACKNEETPhysics
NEET Electrostatics
For solved Question on Hemispheres Click Here :
open.substack.com/pub/crackneetphysics/p/electric-โฆ
34 minutes ago | [YT] | 0
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CRACKNEETPhysics
๐ ๐๐๐๐ง๐๐ซ๐ข๐จ ๐: ๐๐๐๐๐ ๐๐ฑ๐๐ฆ๐ฉ๐ฅ๐๐ซ (๐๐๐ฆ๐ข๐ฌ๐ฉ๐ก๐๐ซ๐ข๐๐๐ฅ ๐๐ก๐๐ฅ๐ฅ)
๐๐ฎ๐๐ฌ๐ญ๐ข๐จ๐ง: ๐ ๐ก๐๐ฆ๐ข๐ฌ๐ฉ๐ก๐๐ซ๐ ๐ข๐ฌ ๐ฎ๐ง๐ข๐๐จ๐ซ๐ฆ๐ฅ๐ฒ ๐๐ก๐๐ซ๐ ๐๐ ๐ฉ๐จ๐ฌ๐ข๐ญ๐ข๐ฏ๐๐ฅ๐ฒ. ๐๐ก๐ ๐๐ฅ๐๐๐ญ๐ซ๐ข๐ ๐๐ข๐๐ฅ๐ ๐๐ญ ๐ ๐ฉ๐จ๐ข๐ง๐ญ ๐จ๐ง ๐ ๐๐ข๐๐ฆ๐๐ญ๐๐ซ ๐๐ฐ๐๐ฒ ๐๐ซ๐จ๐ฆ ๐ญ๐ก๐ ๐๐๐ง๐ญ๐ซ๐ ๐ข๐ฌ ๐๐ข๐ซ๐๐๐ญ๐๐:
(๐) ๐ฉ๐๐ซ๐ฉ๐๐ง๐๐ข๐๐ฎ๐ฅ๐๐ซ ๐ญ๐จ ๐ญ๐ก๐ ๐๐ข๐๐ฆ๐๐ญ๐๐ซ
(๐) ๐ฉ๐๐ซ๐๐ฅ๐ฅ๐๐ฅ ๐ญ๐จ ๐ญ๐ก๐ ๐๐ข๐๐ฆ๐๐ญ๐๐ซ
(๐) ๐ญ๐ข๐ฅ๐ญ๐๐ ๐ญ๐จ๐ฐ๐๐ซ๐๐ฌ ๐ญ๐ก๐ ๐๐ข๐๐ฆ๐๐ญ๐๐ซ
(๐) ๐ญ๐ข๐ฅ๐ญ๐๐ ๐๐ฐ๐๐ฒ ๐๐ซ๐จ๐ฆ ๐ญ๐ก๐ ๐๐ข๐๐ฆ๐๐ญ๐๐ซ
36 minutes ago | [YT] | 0
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CRACKNEETPhysics
๐ NCERT Exemplar: Electrostatics Problem 1.25
Question: Five charges, ๐ each are placed at the corners of a regular pentagon of side '๐' (Fig. 1.12).
(a) (i) What will be the electric field at ๐ถ, the centre of the pentagon?
(ii) What will be the electric field at ๐ถ if the charge from one of the corners (say ๐จ) is removed?
(iii) What will be the electric field at ๐ถ if the charge ๐ at ๐จ is replaced by โ๐?
(b) How would your answer to (a) be affected if the pentagon is replaced by an ๐-sided regular polygon with charge ๐ at each of its corners?
Answer Fully Solved :- https://youtu.be/F2Gg-zRRXwk?si=F620H...
Free Study Material : crackneetphysics.substack.com/
1 hour ago | [YT] | 0
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CRACKNEETPhysics
๐ง NEET Logic Challenge: Alkanes (Conformations & Mechanisms)-Sawhorse and Newman projections-NEET Chemistry
Instructions:
(a) Both ฮ and R are true and R is the correct explanation of ฮ.
(b) Both ฮ and R are true but R is NOT the correct explanation of ฮ.
(c) ฮ is true but R is false.
(d) ฮ is false but R is true.
(e) Both ฮ and R are false.
Assertion (ฮ): Iodination of alkanes is carried out in the presence of oxidizing agents like ฮฮฮโ.
Reason (R): Iodine is the most reactive halogen among the group 17 elements.
11 hours ago | [YT] | 3
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CRACKNEETPhysics
๐ง NEET Chemistry Logic Challenge: Assertion & Reasoning (Hormones)-UNIT 19: BIOMOLECULES
Instructions:
(a) Both ฮ and R are true and R is the correct explanation of ฮ.
(b) Both ฮ and R are true but R is NOT the correct explanation of ฮ.
(c) ฮ is true but R is false.
(d) ฮ is false but R is true.
(e) Both ฮ and R are false.
Assertion (ฮ): Hormones are required in large dietary quantities to maintain cellular homeostasis.
Reason (R): Glucagon is a hormone that acts to lower blood glucose levels instantaneously.
11 hours ago | [YT] | 2
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CRACKNEETPhysics
UNIT 2: ATOMIC STRUCTURE-ฮจ and ฮจยฒ -with r for 1s and 2s orbitals NEET CHEMISTRY
An orbital is a 3D region of high probability (usually 90-95%).
12 hours ago | [YT] | 0
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CRACKNEETPhysics
NEET Chemistry -UNIT 2: ATOMIC STRUCTURE
At a Radial Node, what are the values of ฮจ and ฮจยฒ respectively?
A) ฮจ = 1, ฮจยฒ = 1
B) ฮจ = 0, ฮจยฒ = 0
C) ฮจ = negative, ฮจยฒ = positive
D) ฮจ = maximum, ฮจยฒ = zero
12 hours ago | [YT] | 2
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CRACKNEETPhysics
๐ฅ ๐๐จ๐ง'๐ญ ๐๐ฎ๐ฌ๐ญ ๐๐ญ๐ฎ๐๐ฒ, ๐๐๐ฅ๐๐๐ญ! ๐ฅ
Are you tired of confusing ๐๐จ๐ญ๐๐ง๐ญ๐ข๐จ๐ฆ๐๐ญ๐๐ซ/Meter Bridge/Wheatstone circuits? Do you want to solve numerical in under ๐๐ seconds?
๐ ๐๐๐๐๐ ๐๐๐๐ to access:
open.substack.com/pub/crackneetphysics/p/concepts-โฆ
โ ๐๐+ True/False .
โ ๐๐๐ฅ๐๐๐ญ๐ข๐จ๐ง ๐๐๐ฅ๐ฅ๐ 20 Fill in the Blanks .
โ Reasoning and Assertion Questions
โ ๐๐ฑ๐๐ฅ๐ฎ๐ฌ๐ข๐ฏ๐ Quick Revision Notes for Current Electricity & Much More .
๐ Join the Selection Walla community and turn your hard work into a Top Rank! ๐ฏ
21 hours ago | [YT] | 4
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CRACKNEETPhysics
๐ ๐๐ก๐๐๐ญ๐ฌ๐ญ๐จ๐ง๐ ๐๐ซ๐ข๐๐ ๐: ๐๐ฌ๐ฌ๐๐ซ๐ญ๐ข๐จ๐ง & ๐๐๐๐ฌ๐จ๐ง๐ข๐ง๐ ๐๐ก๐๐ฅ๐ฅ๐๐ง๐ ๐
๐๐ข๐ซ๐๐๐ญ๐ข๐จ๐ง๐ฌ:
(๐) Both ๐ and ๐ are true, and ๐ is the correct explanation of ๐.
(๐) Both ๐ and ๐ are true, but ๐ is ๐๐๐ the correct explanation of ๐.
(๐) ๐ is true, but ๐ is false.
(๐) ๐ is false, but ๐ is true.
๐๐ฌ๐ฌ๐๐ซ๐ญ๐ข๐จ๐ง (๐): In an unbalanced Wheatstone Bridge, the central branch resistor cannot be ignored during equivalent resistance calculations.
๐๐๐๐ฌ๐จ๐ง (๐): Kirchhoffโs Voltage Law (๐๐๐) states that the sum of potential drops in any closed loop must be zero.
21 hours ago | [YT] | 2
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CRACKNEETPhysics
UNIT 12: CURRENT ELECTRICITY ๐ง Tricky Question: Wheatstone Bridge Concepts-NCERT 3.13 WHEATSTONE BRIDGE
Assertion (A): An electrical circuit consisting of four resistors arranged in a diamond shape is considered a Wheatstone bridge only if the galvanometer shows zero deflection.
Reason (R): The balanced state is a specific condition of the bridge where the potential difference across the galvanometer terminals is zero.
Select the correct option:
(1) Both (A) and (R) are True, and (R) is the correct explanation of (A).
(2) Both (A) and (R) are True, but (R) is NOT the correct explanation of (A).
(3) (A) is True, but (R) is False.
(4) (A) is False, but (R) is True.
Video Solution : https://youtu.be/hQ6TPA14qe8
Detailed Wheatstone Bridge Theory :- youtube.com/live/bP3uE3FwZ1k?si=SSrRZokF0h4WCdnw
22 hours ago | [YT] | 0
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