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प्रश्न
The alternating current is an oscillatory current.
विकल्प
Right
Wrong
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उत्तर
The alternating current is an oscillatory current- Right
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’?
State an important advantage of alternating current over direct current.
The frequency of direct current (d.c.) is:
(a) 0 Hz
(b) 50 Hz
(c) 60 Hz
(d) 100 H
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.).
Alternating current : oscillatory :: Direct current : _______
Distinguish between Direct current and alternating current.
The domestic electricity in India is an ac with a frequency ______ of Hz.
Conceptual question.
Can electroplating be possible with alternating current?
What is common to both direct and alternating current?
In India, the frequency of the alternating current is, ______.
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?
Complete the correlation:
DC : Non-oscillatory current flowing in one direction : : AC : ______
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?
