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प्रश्न
What energy conversion does take place in a generator when it is in use?
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उत्तर
Mechanical energy changes into the electrical energy.
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संबंधित प्रश्न
The device used for producing electric current is called a ______.
A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is pushed into the coil?
What change should be made in an a.c. generator so that it may become a d.c. generator?
The frequency of alternating current (a.c.) supply in India is ______.
Draw a neat labeled diagram of an A.C. generator
An a.c. generator changes the ______energy to ______ energy.
The given figures 1 to 3 show the working of a simple A.C. generator. Study the diagrams and answers of the following questions.
(i) State and explain the principle underlying the working of a simple generator.
(ii) Where is the loop of wire placed?
(iii) What happens when the loop is rotated?
(iv) Indicate the direction of the current flow through the wire for the first half of the turn (in first figure). Name and state the rule used in finding the direction of the current.
(v) Indicate the direction of the current for the case shown in second figure.
(vi) Indicate the direction of current in the outer circuit (i.e., electric bulb) in first and third figure.
(vii) What type of current is shown in the above diagrams? Explain.
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.
A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is withdrawn from inside the coil?
State one factor that affects the magnitude of induced current in an AC generator.
