Advertisements
Advertisements
Question
Complete the correlation:
DC : Non-oscillatory current flowing in one direction : : AC : ______
Solution
DC : Non-oscillatory current flowing in one direction : : AC : Current changing in magnitude and direction after equal intervals of time.
APPEARS IN
RELATED QUESTIONS
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 do you understand by the terms 'direct current' and 'alternating current'?
Name some sources of direct current and some of alternating current.
What is the frequency of A.C. supply in India?
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.).
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.
Distinguish between Direct current and alternating current.
The domestic electricity in India is an ac with a frequency ______ of Hz.
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?
What is common to both direct and alternating current?
The device used to convert AC to DC is called ______.
Define the following:
Rectifier
How is the type of current used in household supply different from the one given by a battery of dry cells?