Mathematics · Network Theory

In a network consisting of a parallel combination of a 5 Ω resistor and a branch containing a 10 Ω resistor in series with a 15 Ω resistor, if the 10 Ω resistor is open-circuited, what is the equivalent resistance between terminals A and B?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

15 Ω
210 Ω
315 Ω
420 Ω✓

Correct answer

20 Ω

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In a network consisting of a parallel combination of a 5 Ω resistor and a branch containing a 10 Ω resistor in series with a 15 Ω resistor, if the 10 Ω resistor is open-circuited, what is the equivalent resistance between terminals A and B?

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In a network consisting of a parallel combination of a 5 &Omega; resistor and a branch containing a 10 &Omega; resistor in series with a 15 &Omega; resistor, if the 10 &Omega; resistor is open-circuited, what is the equivalent resistance between terminals A and B?

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In a network consisting of a parallel combination of a 5 Ω resistor and a branch containing a 10 Ω resistor in series with a 15 Ω resistor, if the 10 Ω resistor is open-circuited, what is the equivalent resistance between terminals A and B?