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Consider the circuit shown in figure. ...

Consider the circuit shown in figure.

When the switch is in position a, for what value of r wil the circuit have a time costant of `10 mus`?

A

`2.0 k ohm`

B

`2.5 k ohm`

C

`1.0 k ohm`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
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