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For the circuit shown in the figure. The...

For the circuit shown in the figure. The equivalent resistance between point A & B for the two cases (i) `V_A gt V_B`, (ii) `V_B gt V_A` respectively is ____ `omega` and ____ `omega`respectively. (`D_1` and `D_2` are ideal diodes)

A

`25,oo`

B

`50,oo`

C

`oo,25`

D

`25,25`

Text Solution

Verified by Experts

The correct Answer is:
A
For `V_A gt V_B`
Both diodes are forward biased so equivalent resistance
`R_1=(50xx50)/(50+50)=25Omega`
`V_AltV_B`
Both diodes are reverse biased so equivalent resistance is infinity
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