Advertisements
Advertisements
प्रश्न
What energy conversion does take place in a generator when it is in use?
Advertisements
उत्तर
Mechanical energy changes into the electrical energy.
APPEARS IN
संबंधित प्रश्न
Which sources produce alternating current?
Name the phenomenon which is made use of in an electric generator.
What is the major difference between the simple alternator and most practical alternators?
Explain the principle of an electric generator.
An electric generator converts:
(a) electrical energy into mechanical energy.
(b) mechanical energy into heat energy.
(c) electrical energy into chemical energy.
(d) mechanical energy into electrical energy.
Draw a labelled diagram of a simple a.c. generator.
Suggest two ways in an a.c. generator to produce a higher e.m.f.
Draw a neat labeled diagram of an A.C. generator
Explain the construction and working of an electric generator (AC) with the help of a neat 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.
