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Home/class 12

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Ashok0210
Ashok0210
Asked: February 13, 2021In: Class 12 Physics

When a glass rod is rubbed with a silk cloth, charges appear on both. A similar phenomenon is observed with many other pairs of bodies. Explain how this observation is consistent with the law of conservation of charge.

Class-12th Physics, CBSE and UP Board Electric Charges and Fields, Chapter-1, Exercise -1, Q-1.5 NCERT Solutions for Class 12th Physics

2020-2021cbsechapter 1class 12electric charges and fieldsphysicsscience
  • 1 1 Answer
  • 148 Views
  • 9 Votes
Answer
Ashok0210
Ashok0210
Asked: February 13, 2021In: Class 12 Physics

Two point charges q₁ = 3 μC and q₂ = –3 μC are located 20 cm apart in vacuum. (a) What is the electric field at the midpoint O of the line AB joining the two charges? (b) If a negative test charge of magnitude 1.5 × 10⁻⁹ C is placed at this point, what is the force experienced by the test charge?

Class-12th Physics, CBSE and UP Board Electric Charges and Fields, Chapter-1, Exercise -1, Q-1.8 NCERT Solutions for Class 12th Physics

2020-2021chapter 1class 12class 12 physicselectric charges and fieldsncertncert solutions for class 12science
  • 1 1 Answer
  • 262 Views
  • 8 Votes
Answer
Ashok0210
Ashok0210
Asked: February 13, 2021In: Class 12 Physics

(a) An electrostatic field line is a continuous curve. That is, a field line cannot have sudden breaks. Why not? (b) Explain why two field lines never cross each other at any point?

Class-12th Physics, CBSE and UP Board Electric Charges and Fields, Chapter-1, Exercise -1, Q-1.7 NCERT Solutions for Class 12th Physics

2020-2021chapter 1class 12class 12 physicsncert solutions for class 12physicsscience
  • 1 1 Answer
  • 246 Views
  • 8 Votes
Answer
Ashok0210
Ashok0210
Asked: February 13, 2021In: Class 12 Physics

Four point charges q₁= 2 μC, q₂ = –5 μC, q₃ = 2 μC, and q₄ = –5 μC are located at the corners of a square ABCD of side 10 cm. What is the force on a charge of 1 μC placed at the centre of the square?

Class-12th Physics, CBSE and UP Board Electric Charges and Fields, Chapter-1, Exercise -1, Q-1.6 NCERT Solutions for Class 12th Physics

2020-2021cass 12 physicsclass 12electric charges and fieldsncertncert solutionsphysics
  • 1 1 Answer
  • 224 Views
  • 8 Votes
Answer
Abhijeet
Abhijeet
Asked: October 5, 2020In: Class 11

Physical education

I want physical education’s chapter 1 notes

cbse class 11class 12question
  • 1 1 Answer
  • 385 Views
  • 1 Vote
Answer
naveen
naveen
Asked: May 8, 2020In: NCERT Books

What are pollutants?

Any undesirable change in physical, chemical or biological characteristics of natural resources like air, land, water or soil is known as pollution. All the agents that are responsible for this change are called as pollutants.

biologyclass 10class 12science
  • 3 3 Answers
  • 541 Views
  • 2 Votes
Answer
Aman
Aman
Asked: February 29, 2020In: Class 12

कोई मेरे लेखाशात्र की किताब का उतर दे सकता है क्या

Ques- what meaning of cash received in respect of debit balance in creditors ledger? Please Explain in detail?

accountscbsecbse exam 2020class 11class 12
  • 1 1 Answer
  • 934 Views
  • 3 Votes
Answer
Shivani
Shivani
Asked: February 28, 2020In: Class 12

Previous year question paper of cbse class 12th board

Previous year question paper of cbse class 12th board

cbsecbse 2020cbse sample papersclass 12sample papers
  • 1 1 Answer
  • 2k Views
  • 0 Votes
Answer
Anonymous
Anonymous
Asked: February 18, 2020In: Class 12

12th class admission

Sir i have failed my 12th exam through CBSE board in 2013. But due to some family financial condition i was unable to continue my studies. But now in 2020 i want to complete my 12th class. Please tell me ...

class 12last date niosniosnios admissionnios admission 2020-2021nios admission 2021
  • 1 1 Answer
  • 699 Views
  • 4 Votes
Answer
SANYAM
SANYAM
Asked: February 13, 2020In: Class 11

Sample papers

Please upload physics and biology sample papers and upload the answers of all the sample papers

cbseclass 12class 12 physicssample papers
  • 1 1 Answer
  • 1k Views
  • 3 Votes
Answer
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