Electrical Engineering - Ohm's Law - Discussion

Discussion Forum : Ohm's Law - General Questions (Q.No. 4)

Ohm's Law

A resistor is connected across a 50 V source. What is the current in the resistor if the color code is red, orange, orange, silver?

2 mA

2.2 mA

214 mA

21.4 mA

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

78 comments Page 7 of 8.

Shruthi gopalan said: 8 years ago

According to ohms law, I = V/R.

Given :

V = 50v.
R = red ,orange,orange,silver = 23 X 10^3 with 10% tolerance.
So, I = V/R = 50 /(23x10^3) = 2.2mA.

Abhinandan ASD said: 8 years ago

@Satish and @Lavanya.

You both give an exact & clear solution. Thanks.

Akki said: 8 years ago

Thanks to everyone for your help to find the solution.

Muskan said: 8 years ago

Thanks all for explaining it.

Satheesh said: 8 years ago

Thanks for all the given explaining.

Naza tana said: 8 years ago

What if it is gold 5% then how would be the answer?

Kareem said: 8 years ago

Thank you all for the given explanation.

Vanita M k said: 7 years ago

What about 5 colors resistor for example: red, Yello, grey, blue, violet?

Ans: 2486*10^7
Or
Ans: 248*10^6.

Please, anyone, explain.

Bibek said: 7 years ago

After calculating, I got the value of resistance 25300 max and 20700 min. So which value should I use for resistance- max or min? Please explain me.

(1)

Saran said: 7 years ago

How to assemble color codes values? Please explain.

(2)

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