Advertisements
Advertisements
प्रश्न
State one factor that affects the magnitude of induced current in an AC generator.
Advertisements
उत्तर
Factors on which the magnitude of induced current in an AC circuit depends:
- Magnetic field intensity.
- Number of turns in the coil.
APPEARS IN
संबंधित प्रश्न
Which sources produce alternating current?
Name the device which converts mechanical energy into electric energy.
Why are Thermal Power Stations usually located near a river?
Explain the principle of an electric generator.
Suggest two ways in an a.c. generator to produce a higher e.m.f.
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.
The part of the AC generator that passes the current from the armature coil to the external circuit is ______.
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
A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is held stationary inside the coil?
