Who discovered magnetic effect of current?
H C Oersted
Michael Faraday
Georg Simon Ohm
Flemming
Electric current is the flow of
Protons
Electrons
Neutrons
None of these
The instrument used to measure the electric current
Ammeter
Tribometer
Galvanometer
Voltmeter
The unit of electric current is
Ampere
Weber
Diopter
Tesla
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
A fuse wire should have
A low melting point
High melting point
Very high melting point
In a primary cell, the chemical energy is converted into
Electrical energy
Sound energy
Heat energy
Mechanical energy
The device used instead of fuse in household electric circuit is
LED
CFL
MCB
PCB
The SI unit of resistance is:
Volt
Ohm
Henry
The thin wire in the bulb is made up of
Nichrome
Lead
Tungsten
Platinum