Advertisements
Advertisements
Question
State one factor that affects the magnitude of induced current in an AC generator.
Advertisements
Solution
Factors on which the magnitude of induced current in an AC circuit depends:
- Magnetic field intensity.
- Number of turns in the coil.
RELATED QUESTIONS
State whether the following statement is true or false.
An electric motor converts mechanical energy into electrical energy.
An electric generator converts:
(a) electrical energy into mechanical energy.
(b) mechanical energy into heat energy.
(c) electrical energy into chemical energy.
(d) mechanical energy into electrical energy.
The current induced in a closed circuit only if there is ______.
Observe the figure and answer the following questions.
a) Identify the machine shown in figure.
b) Write a use of this machine.
c) How transformation of energy takes place in this machine.

Observe the figure and write the answers to the questions asked.

- The construction shown in the figure is of which device?
- Explain the principle on which this device works.
- Write any three uses of this device.
A coil of insulated copper wire is connected to a galvanometer forming a loop and a magnet is:
A: Held stationary
B: Moved away along its axis
C: Moved towards along its axis
D: There will be an induced current in
Which labels identify the two carbon brushes?
Which are listed as sources of mechanical energy supplied to the rotor shaft?
What is the total flux linkage for a coil with \[N\] turns?
What is the peak EMF of the rotating coil?
