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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
State the principle of an electric generator.
Name some sources of direct current.
Which sources produce alternating current?
The essential difference between an AC generator and a DC generator is that
What type of generator is used at Power Stations?
A d.c. generator is based on the principle of:
(a) electrochemical induction
(b) electromagnetic induction
(c) magnetic effect of current
(d) heating effect of current
Name and state the principle of a simple a.c. generator. What is its use?
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.
The part of the AC generator that passes the current from the armature coil to the external circuit is ______.
An AC generator is provided with ______ slip rings that rotate with the coil.
