Advertisements
Advertisements
Question
The frequency of AC is _______.
Options
20 Hz
50 Hz
25 Hz
75 Hz
Advertisements
Solution
The frequency of AC is 50 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?
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?
Name some sources of direct current and some of alternating current.
State an important advantage of alternating current over direct current.
State an important advantage of using alternating current (a.c.) over direct current (d.c.).
Alternating current : oscillatory :: Direct current : _______
Match the columns.
| Column A | Column B |
| 1) Direct current | a) Oscillatory |
| 2) Alternating current | b) Non oscillatory |
Distinguish between Direct current and alternating current.
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?
In India, the frequency of the alternating current is, ______.
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?
