A battery is a group of
Only two cells
Two or more cells
Only single cell
All the above
Which mark is necessary on electric appliances ?
ISI
FICC
AGMARK
KSK
The instrument used to measure the electric current
Ammeter
Tribometer
Galvanometer
Voltmeter
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
Which of the following is an insulator?
Wood
Iron
Moist- air
Gold
Name the instrument used to measure current.
Altimeter
Electro meter
Dry cell was discovered by
Faraday
Thomas Alva Edison
Georges Leclanche
Benjamin Franklin
In a primary cell, the chemical energy is converted into
Electrical energy
Sound energy
Heat energy
Mechanical energy
Electric current is the flow of
Protons
Electrons
Neutrons
None of these
The SI unit of resistance is
volt
ohm
henry
weber