Observe the figure and write the answers to
the questions asked.
(a) The structure shown in the figure is of
which device?
(b) Explain the principle on which this
device works.
(c) Write any three uses of this device
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Answered by
12
Answer:
(a) DC electric generator
(b)DC generator electrical power based on the principle of Faraday's law of electromagnetic induction
Explanation:
(c) three uses---
(i) used to charge batteries
(ii)they are used in DC motors where speed control is necessary
(ii)they are used to provide field excitations
Answered by
1
Answer:
1. The figure shows the construction of electric motor.
2. Principle of an electric motor: Electric motor works on the principle that a current-carrying conductor placed in a magnetic field experiences a force.
3. Electric motor is used in fans, washing machines, fax machines etc.
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