Physics
Name the colour code of the wire which is connected to (i) metallic body of an appliance, (ii) switch for the appliance.
Related Questions
(a) 'A fuse is rated 8 A'. Can it be used with an electrical appliance of rating 5 kW, 200 V?
(b) Name two safety devices which are connected to the live wire of a household electric circuit.
What is the colour code for the insulation on (a) live, (b) neutral and (c) earth wire?
What is a fuse? Name the material of fuse. State one characteristic of the material used for fuse.
Name the device used to protect the electric circuits from over loading and short circuit. On what effect of current does it work?