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प्रश्न
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उत्तर
संबंधित प्रश्न
For a fuse, higher the current rating ________ is the fuse wire.
A fuse is rated 8A. Can it be used with an electrical appliance rated 5 KW, 200 V ? Give a reason.
A fuse is a short piece of wire of high ______ and of material of low ______.
(i) Write one advantage of connecting electrical appliances in parallel combination.
(ii) What characteristics should a fuse wire have ?
(iii) Which wire in a power circuit is connected to the metallic body of the appliance ?
Where are the cartridge type fuse used?
Explain the significance of kWh meter, main switch and main fuse in house-circuiting.
(a) Name the electrical appliance shown in the diagram below.
(b) Name the material of the wire used in this device.
(c) Name two important characteristics of this wire.
'A fuse is rated 8 A'. Can it be used with an electrical appliance of rating 5 kW, 200 V?
Name two safety devices which are connected to the live wire of a household electric circuit.
Why is it not advisable to use a piece of copper wire as fuse wire in an electric circuit?
