Which one of
the following is the most famous electric car company?
a) honda
b) mitsubishi
c) tesla
d) yamaha
Which of the following is required to run the electric car?
a) electricity
b) magnets
c) electromagnets
d) fuels
Who found magnetism in the electric wire for the first time?
a) Tesla
b) Addison
c) Sir Hans Christian Oersted
d) Einstien
Sir Hans Christian Oersted was a……..science teacher who first time observe the magnetism in wire.
a) German
b) Danish
c) Russian
d) English
The magnetic field of the wire is …….
a) low
b) very low
c) high
d) very high
We can increase the magnetic field in the wire by increasing………
a) voltage
b) current
c) resistance
d) all of these