NCERT Solutions For Class 10 Science Chapter 13: Magnetic Effects Of Electric Current

NCERT Solutions for Class 10 Science Chapter 13 Magnetic Effects Of Electric Current are provided in the article below. It includes all the important definitions, concepts, and methodologies that will be really beneficial for the students. The important topics that are included in this chapter are:

Expected no. of Questions: 2-3 questions of around 6 marks. 

Download PDF: NCERT Solutions for Class 10 Science Chapter 13 Magnetic Effects of Electric Current


NCERT Solutions for Class 10 Science Chapter 13

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Class 10 Science Chapter 13 Magnetic Effects of Electric Current: Important Topics

The electromagnetic Effect is the magnetic effect generated by the electric current. When we take a compass near a conductor having a current, the needle of the compass shows deflection due to the passing of the electricity which proves that the magnetic field is created by electric current.

  • Magnetic Field

A magnetic field is a place in space near a magnet or an electric current wherein a physical field is created from a moving electric charge that creates a force on another moving electric charge. An example of a magnetic field is the Earth's magnetic field. All magnets possess north and south poles. Opposite poles are attracted to each other, while the same poles repel each other.

  • Fleming’s Left Hand Rule

According to Fleming’s Left Hand Rule, if we arrange our thumb, forefinger, and middle finger of the left-hand perpendicular to each other, then the thumb points towards the direction of the magnetic force, the forefinger points towards the direction of the magnetic field, and the middle finger points towards the direction of the current.

  • Direct Current

Direct current is referred to as the one-directional flow of electric charge. A prime example of DC power is an electrochemical cell. Direct current may flow through a conductor such as a wire, however, can also flow through semiconductors, insulators, or even through a vacuum as in electron or ion beams.

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CBSE X Related Questions

  • 1.
    When you look at an object very close to your eyes, the:

      • Ciliary muscles of your eye contract and the eye lens becomes thick.
      • Ciliary muscles of your eye get relaxed and the eye lens becomes thick.
      • Ciliary muscles of your eye contract and the eye lens becomes thin.
      • Ciliary muscles of your eye get relaxed and the eye lens becomes thin.

    • 2.
      Sex is determined by different factors in various species. However, in human beings, it is determined genetically. Which amongst the following option(s) is/are correct for human beings ?
      Gamete carrying X chromosome from female parent.
      Gamete carrying X chromosome from male parent.
      Gamete carrying Y chromosome from male parent.

        • (ii) and (iii)
        • (i) only
        • (i) and (iii)
        • (iii) only

      • 3.
        State two differences between the act of chewing food and salivation on sight of food.


          • 4.
            A convex lens of focal length 15 cm, is forming a real image. If the size of image is same as the size of object, then position of object and position of image will be, respectively :

              • \(-15 \, \text{cm and} -15 \, \text{cm from lens}\)
              • \(-15 \, \text{cm and} +15 \, \text{cm from lens}\)
              • \(-30 \, \text{cm and} +30 \, \text{cm from lens}\)
              • \(-30 \, \text{cm and} -30 \, \text{cm from lens}\)

            • 5.
              When an element 'X' reacts with water, it starts floating. Identify the element 'X':

                • Potassium
                • Calcium
                • Sodium
                • Iron

              • 6.
                Rays from the sun converge at a point 25 cm behind a convex lens. The distance at which an object be placed in front of the lens to get a virtual image, is:

                  • 20 cm
                  • 40 cm
                  • 50 cm
                  • More than 50 cm

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