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प्रश्न
Complete the correlation:
DC : Non-oscillatory current flowing in one direction : : AC : ______
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
Out of an A.C. generator and a D.C. generator:
which one uses a commutator (split rings)?
which one uses slip rings?
What is the difference between alternating current and direct current?
What normally drivers the alternators in a Thermal Power Station? What fuels can be used to heat eater in the boiler?
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 _______.
Alternating current : oscillatory :: Direct current : _______
Match the columns.
| Column A | Column B |
| 1) Direct current | a) Oscillatory |
| 2) Alternating current | b) Non oscillatory |
The alternating current is an oscillatory current.
The frequency of the alternating current is 50 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?
The device used to convert AC to DC is called ______.
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?
