Learn more about Electricity & Magnetism
In a world filled with constant noise—traffic, office chatter, and everyday hustle—noise-cancelling headphones have become one of the most popular gadgets for work, travel, and relaxation. But how do these magical devices block out unwanted sounds? The answer lies in clever engineering and fascinating physics. Before we delve straight into the answer, lets first look … Read more
A microwave oven is useful device that helps in cooking delicious food for us. Have you wonder how it works? A microwave oven works by using microwave radiation to heat food quickly and efficiently. Microwave radiation As the name implies, it uses microwaves radiation to heat food. Microwave radiation is a type of electromagnetic radiation … Read more
You might wonder, if it really possible to lift things up without any visible support and that too in real world? The answer is yes but to a certain extent limited only due to current technological limitation. Before further explaining the answer, let’s first see how magnets work. If you observe a permanent magnetic in … Read more
A compass is a tool which tells us the direction of North Pole of Earth’s magnetic field. Once you know the direction of North Pole, all other directions can be find out easily. Hence it is a useful tool for navigation and mapping. You can also use it for outdoor activities like hiking, sailing, trekking … Read more
Have you ever wondered if it’s possible to light up a bulb without directly connecting it to a battery? The answer lies in the fascinating concept of electromagnetic induction—a principle discovered by Michael Faraday in the early 19th century. What is an electromagnetic induction? Electromagnetic induction occurs when a changing magnetic field creates an electric … Read more
What is a solenoid? A solenoid is a type of electromagnet which consists of coil of wire in a helical shape. It becomes a magnet when electric current pass through it. Usually, a movable metallic core, of ferromagnetic material such as iron is inserted into this helical coil. The magnetic field of this helical coil … Read more