Electronics - Resistance and Power - Discussion

Discussion Forum : Resistance and Power - General Questions (Q.No. 5)
5.
With 1 mA of current, what wattage rating should a 470 ohm resistor have?
1/4 watt
1/2 watt
1 watt
2 watts
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
16 comments Page 2 of 2.

A.sathish said:   9 years ago
0.00047w is correct, which is the nearest value.

Soni said:   8 years ago
P= IV, P=I*I*R.
1*10^-3*10^-3*470,
=0.00047w.
(1)

Domy dimal said:   1 decade ago
0.25 w is greater than 0.00047w. Then how?

Vasava said:   1 decade ago
I can't understand how it come 0.25 watt?

Priyank sharma said:   9 years ago
Why its answer is 0.25watt?

Gopala said:   6 years ago
Explain how it come 1/4?


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