Find the odd man out.
Armature coil
Brushes
Commutator
Direct current
Who showed that electric current producing magnetism?
Hans Christian Oersted
Michael Faraday
Andre Marie Ampere
Fleming
Name the phenomenon by which radio, T.V, water pump etc work?
Induced current
Electro-magnetism
Electro-magnetic induction
Magnetism
Which scientist found that electricity could produce rotary motion?
A compass needle is a
Electro magnet
Barmagnet
a Circuit
Current Carrying Conductor
Find the odd one out.
Fuse
Insulating material
Rubber shoes
Generator
Find the odd-man out.
Loud speaker
Microphone
Electric motor
Bar magnet
What is called a dynamo?
AC generator
DC generator
AC motor
Which scientist suggested that the magnet must also exert an equal and opposite force on the current carrying conductor?
Flow of large amount of current in the circuit beyond the permissible value of current is called
Short circuiting
Overloading
Earthing
Insulating