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Posted by Jothir Harish 8 years, 2 months ago
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Varun Banda 8 years, 2 months ago
Working of an electric bell
Electric current flows through the coil when the switch is ON, and the iron core acts as an electromagnet. The iron core attracts the hammer towards it. The hammer hits the bell and produces a sound. The circuit breaks at the screw contact when the hammer moves towards the iron core. At this point, the iron core ceases to be an electromagnet. The hammer is pulled back to its original position due to the spring action of the steel rod, and then touches the contact again to complete the circuit. The circuit is completed and current flows through the coil again, and the hammer strikes the bell again. The process repeats itself and you hear a ringing sound since the hammer keeps hitting the bell, until the switch is released.
Posted by Suvarna Kulkarni 8 years, 2 months ago
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Kritika Trehan 8 years, 2 months ago
Groundwater is the water present beneath Earth's surface in soil pore spaces and in the fractures of rock formations. A unit of rock or an unconsolidated deposit is called an aquifer when it can yield a usable quantity of water.
Posted by Praveen Manola 8 years, 2 months ago
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Posted by Kriti Priyadarshi 8 years, 2 months ago
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Posted by Muskan Kumari 8 years, 2 months ago
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Raj Srivastava 8 years, 2 months ago
Jyoti Sehrawat 8 years, 2 months ago
Posted by Adarsh Dhatwalia 8 years, 2 months ago
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Raj Srivastava 8 years, 2 months ago
Posted by Manish Raj 8 years, 2 months ago
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Posted by Manmeet Kaur 8 years, 2 months ago
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Varun Banda 8 years, 2 months ago
Circulatory system: The system that moves blood throughout the body. The circulatory system is composed of the heart, arteries, capillaries, and veins. This remarkable system transports oxygenated blood from the lungs and heart throughout the body via the arteries.
Kritika Trehan 8 years, 2 months ago
The system that circulates blood and lymph through the body, consisting of the heart, blood vessels, blood, lymph, and the lymphatic vessels and glands.
Posted by Jatin Bansal 8 years, 2 months ago
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Posted by Aj Styles 8 years, 2 months ago
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Varun Banda 8 years, 2 months ago
Carbon dioxide is produced in cells during cellular respiration as by product. Energy is produced in mitochondria of the cell during this process.This CO2 is get rid of the body during exhalation.
Posted by Aditi Rao 8 years, 2 months ago
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Posted by Adnan Mansuri 8 years, 2 months ago
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Posted by Tanish Yelgoe 8 years, 2 months ago
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Kritika Trehan 8 years, 2 months ago
Zoology or animal biology is the branch of biology that studies the animal kingdom, including the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct, and how they interact with their ecosystems.
Posted by Navya Shree 8 years, 2 months ago
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Ashiq Aliyar 8 years, 2 months ago
Posted by Kaushal Kumar 8 years, 2 months ago
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Sushil Kumar 8 years, 2 months ago
weather is a complete ststae of atmosphere describing the conditions of hotness and coldness
Posted by Azan Siddiqui 8 years, 2 months ago
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Sushil Kumar 8 years, 2 months ago
during running or heavy exercise, the demand for oxygen starts increasing vigorously, so in order to complete that demand our body breathe faster
Varun Banda 8 years, 2 months ago
An athlete needs to supply extra energy to his muscle cells which have worked hard during running. For this, he breathes faster and deeper so that more oxygen is supplied to the cells.
Posted by Gautama Gautam 8 years, 2 months ago
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Varun Banda 8 years, 2 months ago
A low-pressure area, low, or depression is a region on the topographic map where the atmospheric pressure is lower than that of surrounding locations. ... The formation process of a low-pressure area is known as cyclogenesis.
Posted by Muskan Kumari 8 years, 2 months ago
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Seema Ghai 8 years, 2 months ago
Posted by Parwinder Singh 8 years, 2 months ago
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Nistha Saha 8 years, 2 months ago
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Posted by Rahul Mishra 8 years, 2 months ago
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Kritika Trehan 8 years, 2 months ago
Urine is a waste product that is produced by the kidneys in their process of cleaning the blood and is made up of water and dissolved waste products. The waste products are substances that the body does not need and that can be harmful to our organs if accumulated in the body.
Posted by Saswat Raj 8 years, 2 months ago
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Posted by Chetan Meena 8 years, 2 months ago
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Jyoti Sehrawat 8 years, 2 months ago
Posted by Snehith Shibu 8 years, 2 months ago
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Vishal Jha 5 years, 4 months ago
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Ronak Kajala 8 years, 2 months ago
2Thank You