A fuse wire should have
A low melting point
High melting point
Very high melting point
None of these
Fuse wire is an alloy of
Tin and lead
Copper and lead
Tin and copper
Lead and silver
The unit of electric current is
Ampere
Weber
Diopter
Tesla
Secondary cells are also known as:
Leclanche cell
Accumulators
Button cells
Lithium cells
Which of the following is a primary cell?
Voltaic cell
Daniel Cell
All of the above
A battery is a group of
Only two cells
Two or more cells
Only single cell
All the above
Which of the following is an insulator?
Wood
Iron
Moist- air
Gold
Which mark is necessary on electric appliances ?
ISI
FICC
AGMARK
KSK
Electric current is the flow of
Protons
Electrons
Neutrons
The device used instead of fuse in household electric circuit is
LED
CFL
MCB
PCB