Which of the following domestic appliance uses an electric motor?
Electric fan
Milk cooker
Pressure cooker
Cooking gas
The potential difference between live wire and neutral wire in India is
110 V
50 V
220 V
None
Choose correct statement about magnetic lines of force
Lines of force are not imaginary lines
Can not be mapped on paper
Do not intersect each other
Always intersect each other.
An electric generator actually act as a
Source of electric charge
Source of heat energy
Electromagnet
Converter of energy
The region around a magnet within which it can experience a magnetic force is called
Magnetic field
Magnetic pole
Magnet induction
Magnetic attraction
The regions of concentrated magnetic strength inside the magnet just near its ends are
Magnetic poles
Magnetic Ends
None of these
An insulated wire wound in the form of a helix with a large no of turns in
A solenoid
A toroid
A galvenoscope
Emulators
The wire having a green plastic covering is a
Live wire
Neutral wire
Earth wire
SI unit of magnetic field is
Tesla
Volt
Joule
Ampere
The wire having black plastic covering is a
