In text Questions of Page No. 237 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 the principle of an electric generator, Name some sources of direct current, Which sources produce alternating current, A rectangular coil of copper wires is rotated in a magnetic field 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. 237
Q. No 1: State the principle of an electric generator.
Ans: Electric generator works on the principle of electromagnetic induction. Electricity is generated by rotating a coil inside magnetic field.
Q. No 2: Name some sources of direct current.
Ans: Some sources of direct current are cell, battery and DC generator, etc.
Q. No 3: Which sources produce alternating current?
Ans: hydroelectric power plants, AC generators produce alternating current.
Q. No 4: Choose the correct option.
A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced current changes once in each
(a) two revolutions (b) one revolution
(c) half revolution (d) one-fourth revolution
Ans:
(c) When a rectangular coil of copper is rotated in a magnetic field, the direction of the induced current in the coil changes in every half rotation.
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