The Link between Electricity and Magnetism
An electric current flowing through a wire produces a magnetic field around it. This fundamental discovery by Oersted led to the development of electric motors and generators, which are essential in our daily lives.
Important Topics for HSLC 2027
- Magnetic Field and Field Lines: Properties of magnetic field lines around a bar magnet.
- Right-Hand Thumb Rule: Determining the direction of the magnetic field around a straight conductor.
- Magnetic Field due to a Solenoid: Characteristics of the field inside and outside a current-carrying solenoid.
- Fleming's Left-Hand Rule: Understanding the force on a current-carrying conductor in a magnetic field.
- Electric Motor: Principle, construction, and working of a DC motor.
- Electromagnetic Induction: Faraday's experiment and Fleming's Right-Hand Rule.
- Electric Generator: Principle and working of AC and DC generators.
- Domestic Electric Circuits: Importance of grounding (earthing), fuses, and short circuits.
Chapter-wise Question Answer
Prepare these Class 10 Science solutions for your board exams:
Q1: What is a solenoid?
Ans: A coil of many circular turns of insulated copper wire wrapped closely in the shape of a cylinder.
Q2: Name the rule used to find the direction of induced current.
Ans: Fleming's Right-Hand Rule.
HSLC Science MCQ & PDF
Focus on the working of an electric motor and the safety measures in domestic circuits for the 2027 HSLC exams.
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