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A DC motor is rotating in clockwise dire...

A DC motor is rotating in clockwise direction. How can the direction of rotation be reversed?

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The direction of rotation of the motor can be reversed by reversing the direction of current through the coil. This can be achieved by interchanging the terminals of the battery connected to the brushes of the motor.
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PRADEEP-MAGNETIC EFFECTS OF ELECTRIC CURRENT-Short Answer Questions (Additional)
  1. State three factors on which the magnitude of the force on a current-c...

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  2. What is the role of the split-ring in an electric motor?

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  3. A DC motor is rotating in clockwise direction. How can the direction o...

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  4. State two ways by which the speed of rotation of an electric motor can...

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  5. (a) What is a natural magnet? (b) What is an artificial magnet?

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  6. (a) What is the nature of the magnetic field inside a solenoid? (b)...

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  7. (a) Which force is independent of the state of rest or of motion of a ...

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  8. (a) How does the magnetic field (B) due to a straight conductor vary w...

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  9. (a) Name a material of which permanent magnets are made? (b) Which o...

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  10. What are the two main systems of wiring commonly used in household cir...

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  11. Explain the significance of the following in a house circuiting. (i) k...

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  12. State the principle of an AC generator. What determines the frequency ...

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  13. What is a switch and how is it connected?

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  14. What is the role of each of the three pins in a power plug?

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  15. State two serious hazards of electricity.

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  16. What the two main precautions to be taken while using an electric supp...

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  17. What is the role of magnetism in medical science?

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  18. (a) What type of energy changes into electrical energy in electromagne...

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  19. (a) Which polarity is developed on the face of the solenoid when a nor...

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  20. (a) Which is more dangerous: AC or DC? (b) Why so?

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