In text Questions of Page No. 233 Chapter 13: Magnetic Effect of Current Science Class 10 solutions are developed for assisting understudies with working on their score and increase knowledge of the subjects. State Fleming’s left-hand rule, What is the principle of an electric motor, What is the principle of an electric motor is solved by our expert teachers. You can get ncert solutions and notes for class 10 chapter 13 absolutely free. NCERT Solutions for class 10 Science Chapter 13: Magnetic Effect of Current is very essencial for getting good marks in CBSE Board examinations
In text Questions of Page No. 233
Q. No 1: State Fleming’s left-hand rule.
Ans: According to Fleming’s left hand rule if we stretch the thumb, the centre finger and the middle finger of our left hand such that they are mutually perpendicular to each other. If the centre finger gives the direction of current and middle finger points in the direction of magnetic field then the thumb points towards the direction of the force or motion of the conductor.
Q. No 2: What is the principle of an electric motor?
Ans: The principle of an electric motor is based on the magnetic effect of electric current. A current-carrying loop experiences a force and rotates when placed in a magnetic field. The direction of rotation of the loop is according to the Fleming’s left-hand rule.
Q. No 3: What is the role of the split ring in an electric motor?
Ans: The split ring in the electric motor also known as a commutator reverses the direction of current flowing through the coil after every half rotation of the coil. Due to this the coil continues to rotate in the same direction.
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