Advertisements
Advertisements
Question
Answer the following questions based on the given graph.
- Identify which curve shows AC and DC.
- What is the frequency of AC and DC?
Advertisements
Solution
- Straight line: DC (Direct current)
Curve: AC (Alternating current) - Frequency = `1/"Time period"`
∴ AC = 1 Hz and DC = 0 Hz
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 type of current is given by (i) a dry cell, and (ii) a power House generator?
What do you understand by the terms 'direct current' and 'alternating current'?
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
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 frequency of the alternating current is 50 Hz.
Distinguish between Direct current and alternating current.
Conceptual question.
Can electroplating be possible with alternating current?
What is common to both direct and alternating current?
In India, the frequency of the alternating current is, ______.
The device used to convert AC to DC is called ______.
Define the following:
Rectifier
Complete the correlation:
DC : Non-oscillatory current flowing in one direction : : AC : ______
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?
