A battery is a group of
Only two cells
Two or more cells
Only single cell
All the above
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 fuse wire should have
A low melting point
High melting point
Very high melting point
None of these
Which of the following is an insulator?
Wood
Iron
Moist- air
Gold
Who discovered magnetic effect of current?
H C Oersted
Michael Faraday
Georg Simon Ohm
Flemming
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 thin wire in the bulb is made up of
Nichrome
Lead
Tungsten
Platinum
Which mark is necessary on electric appliances ?
ISI
FICC
AGMARK
KSK
The SI unit of resistance is
volt
ohm
henry
weber
