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Q.

The colour coding on a carbon resistor is shown in the given figure. The resistance value of the given resistor is:

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a

(5700±285)Ω

b

(7500±750)Ω

c

(5700±375)Ω

d

(7500±375)Ω

answer is D.

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Detailed Solution

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From colour code for electric resistance,

Violet

Green

Red

Gold

7

5

2

5%

∴R=75×102±5% of 7500⇒R=(7500±375)Ω

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