Question

✔️✔️ PHYSICS ✔️✔️

A carbon resistor of (47 ± 4.7) kohm is to be

marked with rings of different colours for its

identification. The colour code sequence will

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Answer 1

Black. 0

Brown. 1

Red. 2

Orange 3

Yellow 4

Green. 5

Blue. 6

Violet. 7

Grey. 8

White. 9

Gold. -1

Silver. -2

No colour. -3

TOLERANCE=>

Gold. 5%

Silver. 10%

No colour. 20%

R = 47 +_ 4.7 k ohm

Thus R = 47 × 10^3 +_ 4.7 ohm

As tolerence is 4.7 it is very close to 5 thus gold

Colours are: 1 st colour => 1st no. that is 4 thus yellow

2nd color =>2nd no. is 7 thus violet

3rd colour =>no. in the power of 10 i.e. 3 thus orange

Sequence : yellow, violet, orange, gold.

Answer 2

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HERE IS UR ANSWER

☑sequence is»

✔✔yellow

✔✔violet

✔✔orange

✔✔gold