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A carbon resistor has colour strips as violet, yellow brown and golden. The resistance is

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740 Ω

407 Ω

641 Ω

741 Ω

answer is B.

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Detailed Solution

Using standard colour codes

Violet = 7, yellow = 4, brown = 1 and gold = 5 % (tolerance)

$So\,\,R = 74 \times {10^1} \pm 5\% = 740 \pm 5\%$

So its value will be nearest to 741 Ω.

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