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प्रश्न
An electric iron draws a current of 4 A when connected to 220 V mains. Its resistance must be:
पर्याय
1000 Ω
55 Ω
44 Ω
None of these
MCQ
उत्तर
55 Ω
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An electric iron draws a current of 4 A when connected to 220 V mains. Its resistance must be:
1000 Ω
55 Ω
44 Ω
None of these
55 Ω