What is the SI unit of charge?
Ampere
Volt
Coulomb
Henry
Which of the following is preferred to make an electromagnet?
Steel
Plastic
Stainless steel
Soft iron
Which of the following is an insulator?
Wood
Iron
Moist- air
Gold
A fuse wire should have
A low melting point
High melting point
Very high melting point
None of these
In a primary cell, the chemical energy is converted into
Electrical energy
Sound energy
Heat energy
Mechanical energy
Which mark is necessary on electric appliances?
ISI
FICC
AGMARK
KSK
The device used instead of fuse in household electric circuit is
LED
CFL
MCB
PCB
Which of the following is a primary cell?
Voltaic cell
Leclanche cell
Daniel Cell
All of the above
The instrument used to measure the electric current
Ammeter
Tribometer
Galvanometer
Voltmeter
The unit of electric current is
Weber
Diopter
Tesla
