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WebEarth's magnetic field. Magnetism surrounds and penetrates our Earth in ways basic science courses can rarely address. It affects navigation, communication, and even the growth of crystals. As we observe and experience an 11-year solar maximum, we may witness spectacular satellite-destroying solar storms as they interact with our magnetic … Web15 sep. 2024 · The magnetic field in a given region is uniform. Draw a diagram to represent it. Answer: The figure indicates that the magnetic field is the same at all points in the solenoid. That is field is uniform inside the solenoid. Question 3. Choose the correct option. The magnetic field inside a long straight solenoid-carrying current (a) is zero. toynbee school address
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WebSolution: (i) Consult a Text Book for diagram. (ii) In this case the magnitude of emf induced is maximum. (iii) The emf of an ac generator is increased by increasing the speed of armature. Question .5. State two ways of increasing the speed of a dc motor. Solution: (i) By increasing the current through the motor and WebSolution: (D) Magnetic field lines due to long strait current carrying wire form concentric circles with centre on the wire. 2. The phenomenon of electromagnetic induction is (A) … WebTopics and Subtopics in NCERT Solutions for Class 10 Science Chapter 13 Magnetic Effects of Electric Current: Section Name: Topic Name: 13: Magnetic Effects Of Electric … toynbee saving private ryan