Class 12 Physics CBSE 2020 - Previous Year Questions (Set 1 Solved) | Solved Paper | Board Exam

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📢 Full Playlist Link:    • Class 12 Physics Previous Year Questions (...  

✅ In this video,

✔️ Class: 12th
✔️ Subject: Physics
✔️ Topic Name: CBSE 2020 Previous Year Questions
✔️ Topics Covered In This Video (By Prateek Sir): This video provides an in-depth look into the CBSE 2020 previous year's questions of Class 12 Physics. Prateek Sir breaks down the solutions to the questions, explaining each step with easy-to-understand language. Additionally, there are also discussion and practice questions included. This is a great video for those who need help understanding Physics, and an even better resource for those with upcoming exams.
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00:00 Introduction: CBSE Previous Year Questions 2020 (Set 1 Solved)
00:23 General Instructions
01:25 Section A (Questions 01 To 10) Que. 1 If the net electric flux through a closed surface is zero, then we can infer
00:28:50 Section A (Questions 11 To 20) Que. 11 The magnetic field and angle of dip at a place on the earth are 0.3 G and 30, respectively. The value of vertical component of the earth's magnetic field at the place is _ _ _ _ _ .
54:01 Section B (Questions 21 To 27) Que. 21 Explain the principle of working of a meter bridge. Draw the circuit diagram for determination of an unknown resistance using it.
02:03:37 Section C (Questions 28 To 34) Que. 29 a. Write an expression of magnetic moment associated with a current (1) carrying circular coil of radius r having N turns.
02:57:37 Section D (Questions 35 To 37) Que. 35 a. Using Gauss law, derive expression for Electric field due to a spherical shell of uniform charge distribution and radius R at a point lying at a distance x from the centre of shell, such that
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