Advertisements
Advertisements
प्रश्न
Name some sources of direct current and some of alternating current.
उत्तर
Some sources of direct current are dry cells, battery, car battery and D.C. generators.
Some sources of alternating current are A.C. generators, power stations.
APPEARS IN
संबंधित प्रश्न
What type of current is given by (i) a dry cell, and (ii) a power House generator?
In what respect does the construction of an A.C. generator differ from that of a D.C. generator?
What normally drivers the alternators in a Thermal Power Station? What fuels can be used to heat eater in the boiler?
What is the frequency of A.C. supply in India?
The alternating current is an oscillatory current.
The frequency of the alternating current is 50 Hz.
Distinguish between Direct current and alternating current.
What is common to both direct and alternating current?
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?
