Which of the following is an insulator?
Wood
Iron
Moist- air
Gold
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
Electric current is the flow of
Protons
Electrons
Neutrons
None of these
The SI unit of resistance is:
Volt
Ohm
Henry
Weber
Which mark is necessary on electric appliances?
ISI
FICC
AGMARK
KSK
In a primary cell, the chemical energy is converted into
Electrical energy
Sound energy
Heat energy
Mechanical energy
Which of the following is preferred to make an electromagnet?
Steel
Plastic
Stainless steel
Soft iron
Which of the following is a primary cell?
Voltaic cell
Leclanche cell
Daniel Cell
All of the above
What is the SI unit of charge?
Ampere
Coulomb