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प्रश्न
Complete the correlation:
DC : Non-oscillatory current flowing in one direction : : AC : ______
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उत्तर
DC : Non-oscillatory current flowing in one direction : : AC : Current changing in magnitude and direction after equal intervals of time.
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संबंधित प्रश्न
What type of current is given by a dry cell?
In what respect does the construction of an A.C. generator differ from that of a D.C. generator?
What do you understand by the term ‘direct current’?
Name some sources of direct current.
State an important advantage of alternating current over direct current.
What is the frequency of A.C. supply in India?
Explain ‘Electric generator’ with the help of the following points:
- Diagram of an AC Generator with labelling
- Principle of an electric generator
- The function of slip rings
- Any two uses of a generator.
State an important advantage of using alternating current (a.c.) over direct current (d.c.).
The frequency of AC is _______.
Alternating current : oscillatory :: Direct current : _______
The frequency of electricity produced by DC generator is equal to ____________.
What is the role of fuse, used in series with any electrical appliance? Why should a fuse with defined rating not be replaced by one with a larger rating?
What is common to both direct and alternating current?
The device used to convert AC to DC is called ______.
Answer the following questions based on the given graph.
- Identify which curve shows AC and DC.
- What is the frequency of AC and DC?
Why is an alternating current (A.C.) considered to be advantageous over direct current (D.C.) for the long distance transmission of electric power?
How is the type of current used in household supply different from the one given by a battery of dry cells?
