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Question
Observe the figure and write the answers to the questions asked.
- The construction shown in the figure is of which device?
- Explain the principle on which this device works.
- Write any three uses of this device.
Solution
- The figure shows the construction of electric motor.
- Principle of an electric motor: Electric motor works on the principle that a current-carrying conductor placed in a magnetic field experiences a force.
- Electric motor is used in fans, washing machines, fax machines etc.
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