Doubtly
@Doubtly · Joined Feb 2021
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- a. Tungsten metal is used to make a solenoid type coil in an electric bulb. Tungsten metal has high resistance and high melting point (nearly 3422⁰C) Because of current it gets heated at high temperature and emits li... 1
- 6. How does the short circuit form? What is its effect? The household electrical connections mainly consist of live, neutral and earth wires. The potential difference between live and neutral wire... 1
- 5. Which device is used to produce electricity? Describe with a neat diagram. a. Electric motor b. Galvanometer c. Electric Generator (DC) d. Voltmeter Electric Generator is used to Produce Electricity According to Fleming’s right hand rule, electric current is produced in the branches AB an... 2
- 4. Explain the difference : AC generator and DC generator. AC generator DC generator i. It produces alternating current. It produces direct current. ii. It has two simple ring-type commutators. It ha... 1
- Electromagnetic induction means- Correct option is C c. Generation of a current in a coil due to relative motion between the coil and the magnet 1
- An electric iron of 1100 W is operated for 2 hrs daily. What will be the electrical consumption expenses for that in the month of April? Video Solution : https://youtu.be/N6KYVnGWloU Text solution 3
- 4. Study the following graph and analyse in short. (i) This is a compound bar graph showing the contribution of primary, secondary and tertiary sectors to the national income of India and Bra... 1
- There is mixed economy in Brazil and India. In a mixed economy there is a co-existence of public sector and private sector. In Brazil, sectors like health, banking, telecommunications,... 1
- Per capita land availability is more in Brazil as compared to India. India occupies 2.4% land area of the world and supports 17.5% of the world’s total population. Brazil occupies 5.6% of land area of the worl... 1
- What are the similarities and differences in the fishing activities in Brazil and India. Similarities: In Brazil and India fishing activity is developed near the coastal areas. In both the countries, marine fishing is well- devel... 1
- Why has mining not developed in the western part of Brazil? Most of the western part of Brazil is covered by the thick dense equatorial rainforests of the Amazon Basin. Inaccessibility, poor transport... 1
- Prepare a speech you wish to give on the farewell Day function of your school A very good morning to you all! Today, as I stand here in front you, I am overwhelmed by a multitude of emotions. Going back to our first da... 1
- Write a letter to the Secretary of your Housing Society informing him about the news and drawing his attention to the problem. Request him to take the necessary Shubha Karve 45- B Ekta Society Mithagar Road Mulund East Mumbai- 400081 2nd March 2021 The Secretary Monica CHS Parel, Mumbai – 400013 Subj... 1
- Letter Writing (5 Marks) Look at the Notice Issued by the Supervisor of Your School {name} {address } {Date} Dear Daddy, Our class is going on a one-day picnic to Lonavala on 19 March, and I was wondering if you could allow... 1
- Application for Leaving Certificate to the principal Name {Address date} To, The Principal, { College name} Subject: Application for Issuing School Leaving Certificate Respected Sir/madam, It i... 1
- C) Why do human settlements grow in specific locations only? Human settlements grow in specific locations only because it depends on the few major factors like -Climatic factors, availability of water,... 1
- b) Diffrentiate between the human settlements in Ganga river basin and The Amazon river basin. Ganga river basin is populated with high rate of human settlement than the Amazon river basin. Ample supply of water, developed agricultural... 1
- a) Write a comparative note on urbanisition in Brazil and India. The Growth of urbanisation in India has been slow. Brazil is one of the few developing countries which is highly urbanised. In Brazil, rapid... 2