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प्रश्न
Match the columns.
| Column A | Column B |
| 1) Direct current | a) Oscillatory |
| 2) Alternating current | b) Non oscillatory |
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उत्तर
| Column A | Column B |
| 1) Direct current | b) Non oscillatory |
| 2) Alternating current | a) Oscillatory |
संबंधित प्रश्न
What is the difference between alternating current and direct current?
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
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 _______.
The alternating current is an oscillatory current.
The frequency of the alternating current is 50 Hz.
Distinguish between Direct current and alternating 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?
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?
Complete the correlation:
DC : Non-oscillatory current flowing in one direction : : AC : ______
