हिंदी

Alternating current : oscillatory :: Direct current : _______

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प्रश्न

Alternating current : oscillatory :: Direct current : _______

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उत्तर

Alternating current : oscillatory :: Direct current : non-oscillatory

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 4: Effects of electric current - Find the correlation. [पृष्ठ ११]

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? 


 In what respect does the construction of an A.C. generator differ from that of a D.C. generator? 

 


 State an important advantage of alternating current over direct current.


 What is the frequency of A.C. supply in India?


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:

  1. Diagram of an AC Generator with labelling
  2. Principle of an electric generator
  3. The function of slip rings
  4. 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 _______.


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.


Right or wrong sentence.

The frequency of the alternating current is 50 Hz.


Conceptual question.

Can electroplating be possible with alternating current?


The frequency of electricity produced by DC generator is equal to ____________.


Answer the following questions based on the given graph.

  1. Identify which curve shows AC and DC.
  2. 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? 


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