Fuse wire is an alloy of
Tin and lead
Copper and lead
Tin and copper
Lead and silver
Which mark is necessary on electric appliances ?
ISI
FICC
AGMARK
KSK
Key or switch in circuit is placed
Left side of the battery
Right side of the battery
Any where in the circuit
Near the positive terminal of the bulb
A battery is a group of
Only two cells
Two or more cells
Only single cell
All the above
Which of the following is a primary cell?
Voltaic cell
Leclanche cell
Daniel Cell
All of the above
The device used instead of fuse in household electric circuit is
LED
CFL
MCB
PCB
Name the instrument used to measure current.
Altimeter
Ammeter
Galvanometer
Electro meter
What is the SI unit of charge?
Ampere
Volt
Coulomb
Henry
Which of the following is an insulator?
Wood
Iron
Moist- air
Gold
Electric current is the flow of
Protons
Electrons
Neutrons
None of these