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Unit - 01 1 State and prove Gauss theorem. https://youtu.be/WesIpvB2CKc 2 parallel plate capacitor. https://youtu.be/er2gSpezASY 3 Prove that potential at a point on transvers (equatorial) position of an electric dipole is zero. https://youtu.be/7IFUTw996TM •••••••••••••• Unit - 02 1 Write Kirchhoff’s first law and second Law. https://youtu.be/zoDPBlPao8A 2 Drift velocity and Current relation https://www.youtube.com/watch?v=SijaI7cQNPg 3 Establish the relation among electromotive force, potential difference / terminal voltage and internal resistance of a cell. https://youtu.be/QppFqdGdsKI ••••••••••••• Unit - 03 1 Ampere circuital law https://www.youtube.com/watch?v=jYF9IEiM3A4 2 intenisity mangnetic field at center of  current carrying loop https://www.youtube.com/watch?v=7aN53cxlZMc ••••••••••••••••••••••• Unit - 04 1 Faraday's Law and Lenz law - https://youtube.com/video/fwEwBZUEZ_k 2. Explain Faraday’s laws of EMI also explain the lens law. https://www.youtube.com/watch?v=fwEwBZUEZ_k 3. Derive expression for the self-induction of solenoid what factors affect its value and how? https://www.youtube.com/watch?v=9PUWvhCIgro 4. Prove for an AC circuit: 𝑃𝑎𝑣 = 𝑉𝑟𝑚𝑠×𝐼𝑟𝑚𝑠×cos∅ https://www.youtube.com/watch?v=s_EKwqCB8PA 5. Define the following AC circuits: a. Resistor and Inductor (L – R Circuit) b. Resistor and Capacitor (R – C Circuit) c. Inductor and Capacitor (L – C Circuit) Under the following points: (i) Circuit diagram (ii) Phasor diagram (iii) Resultant voltage (iv) Impedance/Reactance (v) Phase difference. https://www.youtube.com/watch?v=-n1ixiDrvec 6. What is an A.C. generator (Or Dynamo)? Draw a labelled diagram and describe the principal and working of A.C. dynamo. https://www.youtube.com/watch?v=_ZBN507xm8U 7. Describe a transformer under the following headings: (i) Kinds of transformer (ii) Labelled diagram (iii) Principle (iv) Formula of transformer ratio (v) Any 2 applications (vi) Any two reasons of energy loss in transformer. https://youtu.be/hkawNhM7WRQ 8 LCR https://youtu.be/fgptrvCKf2w ••••••••••••• Unit - 06 1 Principle of Reversibility : 03 marker https://youtu.be/glQDY8b_F9E 2 Refraction through several medium : 03 marker https://youtu.be/15Ah83KAGF0 3 Prism Derivation - 05 marker https://youtu.be/31FTp1tTP3o 4 speherical conductor derivation https://www.youtube.com/watch?v=JrOFkCnR34g 5 Total internal reflection https://www.youtube.com/watch?v=Sfj55p10y8k 6 Lens maker formula and equation https://www.youtube.com/watch?v=fVEPdrmlI7w 7 Explain: a. Simple microscope b. Compound microscope c. Astronomical telescope MICROSCOPE - https://www.youtube.com/watch?v=8Rt1BCpdXFk TELESCOPE - https://www.youtube.com/watch?v=sI76I1HfGEE 8. Establish the refraction formula for the thin lens. 1 𝑓 = (𝜇 − 1) ( 1 𝑅1 − 1 𝑅2 ) https://www.youtube.com/watch?v=1xvIK0cGgnM 9. Establish the expression for finding the refractive index of material of a prism. https://www.youtube.com/watch?v=31FTp1tTP3o ••••••••••••• Unit - 06 (wave) 1 Coherent Source - https://youtube.com/video/hpEpN1h-Td0 2 HYGEN'S PRINCIPLE - https://www.youtube.com/watch?v=yRNzGyPGGyw 3 Interference vs diffraction https://youtu.be/dZpE9ELckE8 ••••••••••••• Unit - 07 1 Write the drawbacks of Rutherford’s atomic model https://youtu.be/WKwVm8wm5UM 2 Definitions: a. Emission spectrum b. Absorption spectrum c. Continuous spectrum d. Line spectrum e. Band spectrum f. Excitation energy g. Excitation potential h. Ionisation energy i. Ionisation potential j. Isotopes k. Isobars l. Isotones https://youtu.be/BGdoLRhZA4o ••••••••••••• Unit - 09 1. Define P and N type semiconductors. Explain PN junction diode with circuit as forward bias and reverse bias. https://youtu.be/t6bNvESinok 2. What is rectifier? Name different kinds of rectifier. Describe the PN junction diode as a half wave and full wave rectifier. https://youtube.com/video/KK0CnZvhKe4 3. Write down five differences between N type and P type semiconductors. 4. Write the differences between intrinsic and extrinsic semiconductor https://youtu.be/WKwVm8wm5UM

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10th & 12th Preboard paper 2024 Exam SET A ✅ SET B ✅ https://drive.google.com/drive/folders/1F4VnnU9acfcL0z5xf2OeKzUVGGDprfiw For Model Paper