Electric current is the flow of
Protons
Electrons
Neutrons
None of these
Which of the following is a primary cell?
Voltaic cell
Leclanche cell
Daniel Cell
All of the above
A battery is a group of
Only two cells
Two or more cells
Only single cell
All the above
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
Who discovered magnetic effect of current?
H C Oersted
Michael Faraday
Georg Simon Ohm
Flemming
The necessary requirement for a fuse wire is
Conductor with low melting point
Conductor with high melting point
Insulator with low melting point
Insulator with high melting point
Which of the following is an insulator?
Wood
Iron
Moist- air
Gold
In a primary cell, the chemical energy is converted into
Electrical energy
Sound energy
Heat energy
Mechanical energy
What is the SI unit of charge?
Ampere
Volt
Coulomb
Henry