Fill in the following blanks with suitable words :
(a) A fuse should always be placed in the ........... wire of a mains circuit.
(b) The earth wire should be connected to the ............ of an appliance.
(a) live (b) body
Question 5
Which of the following precautions need not be taken while using electric gadgets/appliances/circuit?
(a) We should never touch a lighted electric bulb connected to the mains
(b) We should never experiment with the electric supply from the mains or a generator or an inverter
(c) We should never use just any wire or strip of metal in place of a fuse
(d) We should never turn the switch in ON position
Fill in the blanks:
(a) The unit in which we pay the cost of electricity is ___
(b) The electrical energy consumed in a house is measured by ___
(c) In a household electrical circuit, the appliances are connected in ___ with the mains.
(d) A switch is connected to the ___ wire.
(e) The red colour insulated wire in a cable is the ___ wire.
(f) One kilowatt hour is equal to ___ joule.
(g) A fuse wire should have low ___.