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
In what respect does the construction of an A.C. generator differ from that of a D.C. generator?
What do you understand by the terms 'direct current' and '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
Match the columns.
| Column A | Column B |
| 1) Direct current | a) Oscillatory |
| 2) Alternating current | b) Non oscillatory |
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?
In India, the frequency of the alternating current is, ______.
Define the following:
Rectifier
Complete the correlation:
DC : Non-oscillatory current flowing in one direction : : AC : ______
