What help us record the electrical energy we consume?
Multimeter
Voltmeter
Ammeter
Electric meter
A dry cell converts
Chemical energy into mechanical energy
Chemical energy into electrical energy
Chemical energy into potential energy
Chemical energy into kinetic energy
Pick the odd one
Polythene
Rubber
Glass
Iron
The colour code for neutral wire is:
Black or blue
Red or black
Green or yellow
Green or black
Which battery is used in motor vehicles and inverters
Dry batteries
Disposable battery
Lead-acid battery
None of these
Moving charge constitute a
Potential difference
Current
Resistance
A fuse wire is made of :
60% lead and made 40% tin
30% lead and 70% copper
30% copper and 70% lead
60% tin and 40% lead
The potential difference between live wire and the neutral wire is
120v
240v
220v
250v
The fuse is always connected to the
Neutral wire
Earth wire
Live wire
The SI unit of potential difference is:
Joule
Coulomb
Volt
