मराठी

'A fuse is rated 8 A'. Can it be used with an electrical appliance of rating 5 kW, 200 V?

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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

We know that,

P=VI

I = `"P"/"V" = (5 xx 1000)/200` = 25A

Thus, safe limit of current through t he appliance is 25A and a fuse of rating BA cannot be used with an appliance of rating SkW, 200 v.

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पाठ 4: Electricity and Magnetism - Graded Assignment 4.2 [पृष्ठ २५१]

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फ्रँक Physics Part 2 [English] Class 10 ICSE
पाठ 4 Electricity and Magnetism
Graded Assignment 4.2 | Q 5. | पृष्ठ २५१

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