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When the switch K is open, the equivalen...


When the switch `K` is open, the equivalent resistance between `A` and `B` is `20Omega`. Then, which is thte correct statemetn?

A

`R=80Omega`

B

No current flows through `K` when its closed.

C

The powers dissipated in `R` and in the `5-Omega` resistor are always equal.

D

The power dissipated in the two `20-Omega` resistors are unequal

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The correct Answer is:
A, B, C, D
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