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A 2 W carbon resistor is color coded with green, block, red and brown respectively.

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A 2 W carbon resistor is color coded with green, block, red and brown respectively. The maximum current which can be passed through this resistor is : 

(1) 20 mA 

(2) 100 mA 

(3) 0.4 mA 

(4) 63 mA

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1 Answer

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Best answer

Correct option: (1) 20 mA

Explanation:

According to color code

R = 50 × 102 ohm

i2R = 2 watt

i = 20 mA

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