Magnetic Effects of Electric Current

Subject matter experts of JagranJosh have developed chapter wise practice questions as per the relevancy of the chapter in the CBSE board exam. This practice set contains 10 questions with detailed explanations on “Chapter: Magnetic Effects of Electric Current” of Science.

  • Q8.Which of the following diagrams correctly shows the magnetic field produced by a current- carrying wire?

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  • Q9.The frequency of electricity produced by DC generator is equal to

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  • Q10.A current flows in a wire running between the S and N poles of a magnet lying horizontally as shown in the figure below:

    The force on the wire due to the magnet is directed:

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