State the principle of an electric generator. NCERT CLASS 10 SCIENCE | The Study Adda

1. State the principle of an electric generator.
1. विद्युत जनरेटर का सिद्धांत बताइए।
1. vidyut janaretar ka siddhaant bataie.

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Chapter 13 Magnetic Effects of Electric Current
EXPLANATION OF NCERT EXERCISE QUESTIONS

PLAYLIST Chapterwise solution -    • Видео  
PLAYLIST of question answer -    • Видео  

In this session we will be starting with the chapter "metals and non metals?".
We will cover the In-between Question/Answers and exercise questions.
✔️ Class: 10th
✔️ Subject: Physics
✔️ Chapter 13: Magnetic Effects of Electric Current

CLASS 10th NCERT CHAPTER & EXERCISE QUESTION & ANSWER
अध्याय 13 विद्युत धारा के चुंबकीय प्रभाव 10वीं एनसीईआरटी अध्याय और अभ्यास प्रश्न और उत्तर, एनसीईआरटी अभ्यास प्रश्नों की व्याख्या एनसीईआरटी अध्याय और अभ्यास प्रश्न और उत्तर कक्षा 10वीं एनसीईआरटी विज्ञान

adhyaay 13 vidyut dhaara ke chumbakeey prabhaav kaksha 10veen enaseeeeaaratee adhyaay aur abhyaas prashn aur uttar, enaseeeeaaratee abhyaas prashnon kee vyaakhya enaseeeeaaratee adhyaay aur abhyaas prashn aur uttar
kaksha 10veen enaseeeeaaratee vigyaan

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1. Why does a compass needle get deflected when brought near a bar magnet ?
1. Draw magnetic field lines around a bar magnet.
2. List the properties of magnetic lines of force.
3. Why don’t two magnetic lines of force intersect each other ?
1. Consider a circular loop of wire lying in the plane of the table. Let the current pass through the loop clockwise. Apply the right-hand rule to find out the direction of the magnetic field inside and outside the loop.
2. The magnetic field in a given region is uniform. Draw a diagram to represent it.
3. Choose the correct option.The magnetic field inside a long straight solenoid-carrying current(i) is zero(ii) decreases as we move towards its end(iii) increases as we move towards its end(iv) is the same at all points
1.Which of the following property of a proton can change while it moves freely in a magnetic field. (There may be more than one correct answer.)(i) Mass(ii) Speed(iii) Velocity(iv) Momentum
2. In Activity 13.7, how do we think the displacement of rod AB will be affected if (i) current in rod AB is increased; (ii) a stronger horse-shoe magnet is used; and (iii) length of the rod AB is increased?
3. A positively-charged particle (alpha particle) projected towards west is deflected towards north by a magnetic field.The direction of magnetic field is :(i) towards south(ii) towards east(iii) downward(iv) upward
1. State Fleming’s left-hand rule.
2. What is the principle of an electric motor?
3. What is the role of split ring in an electric motor?
1. Explain different ways to induce current in a coil.
1. State the principle of an electric generator.
2. Name some sources of direct current.
3. Which sources produce alternating current ?
4. Choose the correct option : A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced current changes once in each:(i) two revolution(ii) one revolution(iii) half revolution(iv) one-fourth revolution
1. Name two safety measures commonly used in electric circuits and appliances.
2. An electric oven of 2 kW power rating is operated in a domestic electric circuit (220 V) that has a current rating of 5 A. What result do you expect ? Explain.
3. What precaution should be taken to avoid the overloading of domestic electric circuits?