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प्रश्न
'A fuse is rated 8 A'. Can it be used with an electrical appliance of rating 5 kW, 200 V?
संख्यात्मक
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उत्तर
Rating of appliance 5 kW 200 V
∴ I = `5000/200`
= 25 A very high current
So A fuse rated 8A cannot be used.
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