in the future - u will be able to do some more stuff here,,,!! like pat catgirl- i mean um yeah... for now u can only see others's posts :c
Important 5 Marks Question (Class-12)
1. Explain the working principle of a transformer. Describe its construction and working with the help of a labeled diagram. Also, derive the expression for the voltage transformation ratio of an ideal transformer.
2. Discuss the concept of wavefront and Huygens' principle. Explain how Huygens' principle helps to understand the phenomenon of diffraction.
3. Describe the phenomenon of electromagnetic induction. Explain Faraday's laws of electromagnetic induction and Lenz's law. Also, discuss the applications of electromagnetic induction in daily life.
4. Explain the formation of depletion region and barrier potential in a p-n junction diode. Describe the V-I characteristics of a p-n junction diode in forward and reverse bias.
#cbse #ncert #exam # class12
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Question: When a light wave enters a denser medium from a rarer medium, what happens to its speed, wavelength, and frequency?
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Question: A car travels from point A to point B at a constant speed of 60 km/h and returns to point A at a constant speed of 40 km/h. What is the average speed of the car for the entire round trip?
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Question: A wire of length L and resistance R is stretched to double its length. What will be its new resistance?
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рд╕рдкрдиреЛрдВ рдХреЛ рдкрдХрдбрд╝рдиреЗ рдХрд╛ рд╕рдордп рдЖ рдЧрдпрд╛ рд╣реИ, рдЖрдкрдХрд╛ рд╕рдлрд▓рддрд╛ рдЖрдкрдХреА рдореЗрд╣рдирдд рдкрд░ рдирд┐рд░реНрднрд░ рд╣реИред #JEE #NEET ЁЯТкЁЯУЪ"
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