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.

    The reasons for excessive generation of wastes are:
     (i) Use and throw policy. 
    (ii) Increased availability of packaged food. 
    (iii) Increased construction wastes. 
    (iv) Non-sorting of dry and wet wastes

      • (i), (iii) and (iv)
      • (i), (ii) and (iii)
      • (i), (ii), (iii) and (iv)
      • (ii), (iii) and (iv)

    • 2.
      What is the function of diaphragm in human respiratory system ? Where is it present in human body ?


        • 3.
          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

          • 4.
            Assertion (A): Reflex actions do not involve thinking.
            Reason (R): Most reflex actions are controlled by the spinal cord.

              • Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
              • Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
              • Assertion (A) is true, but Reason (R) is false.
              • Assertion (A) is false, but Reason (R) is true.

            • 5.
              How many bulbs of resistance \( 8 \ \Omega \) each should be connected in parallel combination to draw a current of \( 2 \text{ A} \) from a battery of \( 4 \text{ V} \) ?


                • 6.
                  Due to change in length and area of cross-section of a conductor, resistance of conductor changes while resistivity does not change. Why ?

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