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On a carbon resistor there are bands of ...

On a carbon resistor there are bands of colours of our national flag from upto down, what is resistance of the carbon resistor ?

A

`39 xx 10^(5) pm 20% Omega`

B

`39 xx 10^(5) pm 5% Omega`

C

`39 xx 10^(5) pm 10% Omega`

D

`59 xx 10^(5) pm 10% Omega`

Text Solution

Verified by Experts

The correct Answer is:
A

`39 xx 10^(5) pm 20% Omega`
There are bands of colours of our national flag from up to down is saffron, white and green.
`therefore " resistance " 39 xx 10^(5) `
There is no fourth band in it, so tolerence is 20 %
`therefore " Resistance = (39 xx 10^(5) pm 20% ) Omega`
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