Which of the following is a primary cell?
Voltaic cell
Leclanche cell
Daniel Cell
All of the above
Name the instrument used to measure current.
Altimeter
Ammeter
Galvanometer
Electro meter
A battery is a group of
Only two cells
Two or more cells
Only single cell
All the above
A cell is used to
measure current in a circuit
provide current in a circuit
check current in a circuit
prevent current in a circuit
The instrument used to measure the electric current
Tribometer
Voltmeter
Who discovered magnetic effect of current?
H C Oersted
Michael Faraday
Georg Simon Ohm
Flemming
Secondary cells are also known as:
Accumulators
Button cells
Lithium cells
Which of the following is an insulator?
Wood
Iron
Moist- air
Gold
What is the SI unit of charge?
Ampere
Volt
Coulomb
Henry
The unit of electric current is
Weber
Diopter
Tesla