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प्रश्न
The frequency of AC is _______.
विकल्प
20 Hz
50 Hz
25 Hz
75 Hz
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उत्तर
The frequency of AC is 50 Hz.
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संबंधित प्रश्न
What is the difference between alternating current and direct current?
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 terms 'direct current' and 'alternating current'?
Name some sources of direct current and some of alternating 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
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 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?
In India, the frequency of the alternating current is, ______.
Define the following:
Frequency
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?
