Alexander Graham Bell
Thomas Edison
William Cook
Terry Edison
Sir Frank Whittle --> Laser
Elisha Thomson --> Windmill
J.L. Baird --> Television
Galileo Galilei --> Transistor
Silver (Ag) and lead (Pb)
Copper (Cu) and aluminium (AI)
Copper (Cu) and gold (Au)
Silver (Ag) and gold (Au)
intrinsic
extrinsic
both of these
none of these
Changing magnetic field induces an electromotive force in a conductor
Electrical energy can be converted into chemical energy in the presence of magnetic fields
The current flowing through a conductor causes generation of heat that drives the engine
A conductor carrying current in the direction perpendicular to the external magnetic field feels a force
Nm2/coul2
N coul/m2
Nm2/coul
None of these
2800K
2930K
6500K
9999K
Moment of inertia
Momentum
Eenergy
All of these
Faraday
Gauss
Benjamin Franklin
Coulomb
Numismatics
Seismology
Ecology