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प्रश्न
The part of the AC generator that passes the current from the armature coil to the external circuit is ______.
विकल्प
field magnetsplit rings
split rings
slip rings
brushes
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उत्तर
The part of the AC generator that passes the current from the armature coil to the external circuit is brushes.
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संबंधित प्रश्न
State the principle of an electric generator.
Name the device which converts mechanical energy into electric energy.
What change should be made in an a.c. generator so that it may become a d.c. generator?
Each one of the following changes will increase emf (or voltage) in a simple generator except:
(a) increasing the number of turns in the armature coil
(b) winding the coil on a soft iron armature
(c) increasing the size of the gap in which the armature turns
(d) increasing the speed of rotation
Name and state the principle of a simple a.c. generator. What is its use?
What energy conversion does take place in a generator when it is in use?
Explain the difference:
AC generator and DC generator.
State change that you would make to convert an A.C. generator into a D.C. generator. Illustrate the change by a diagram.
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.
An AC generator is provided with ______ slip rings that rotate with the coil.
