To which wire is the metallic case of an electric appliance connected ? Give the reason.

Answer the following: (1) Name the three wires of the cable. (2) To which wire should the metallic case of appliance is connected. (3) Color code of neutral wire.

Which part of an electrical appliance is earthed?

What do you mean by earthing of an electric appliance ?

A power circuit uses a cable having three different wires. To which wire should the metallic case of the geyser be connected ?

An electric lamp of 100 Omega , a toaster of resistance 50 Omega and a water filter of resistance 500 Omega are connected in parallel to a 220 V source. What is the resistance of an electric iron connected to the same source that takes as much current as all three appliances and what is the current through it ?

A fuse is rated 8 A. Can it be used with an electrical appliance rated 5 kW, 200 V ? Give a reason.

Which electrical elements are connected in series ?

The electrical appliances in a house are connected in:

How does use of a fuse-wire protect electrical appliances ?

A power circuit uses a cable having three different wires. Between which of the two wires should the heating element of an electric geyser be connected ?