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प्रश्न
State the characteristics required in a material to be used as an effective fuse wire.
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उत्तर
An effective fuse wire should have high resistivity and a low melting point, so that excess current heats and melts it quickly, breaking the circuit.
संबंधित प्रश्न
For a fuse, higher the current rating ______ is the fuse wire.
A fuse is connected in ______ with the ______ wire.
Two fuse wire of same length are rated 5 A and 20 A. Which of the two is thicker?
‘A fuse is rated 8 A’. can it be used with an electrical appliance of rating 5kW, 200V?
An electric kettle is rated 3 kW, 250 V. Give reason whether this kettle can be used in a circuit which contains a fuse of current rating 13 A.
Explain the significance of kWh meter, main switch and main fuse in house-circuiting.
Two fuse wires are rated 5 A and 20 A. Which of the two is longer ?
'A fuse is rated 8 A'. Can it be used with an electrical appliance of rating 5 kW, 200 V?
