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BPSC Prelims 2020 General 📅 14 Feb, 2021

The total resistance of a circuit having two parallel resistors is 1.403 kilo-ohm. If one of the resistors is 2.0 kilo-ohm, then the other resistor will be

A
1.403 kilo-ohm
B
2.0 kilo-ohm
C
3.403 kilo-ohm
D
4.70 kilo-ohm
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BPSC Prelims
2020 • 14 Feb, 2021 • General
The total resistance of a circuit having two parallel resistors is 1.403 kilo-ohm. If one of the resistors is 2.0 kilo-ohm, then the other resistor will be
Correct Answer
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उपर्युक्त में से कोई नहीं/उपर्युक्त में से एक से अधिक...
Ref/Book : Formula for parallel resistance: 1/Req = 1/R1 + 1/R2. Given Req = 1.403 and R1 = 2.0. 1/1.403 = 1/2.0 + 1/R2. 0.712 = 0.5 + 1/R2. 1/R2 = 0.212. R2 = 1/0.212 ≈ 4.70 kΩ.
Ref. Subject समानांतर प्रतिरोध का सूत्र: 1/Req = 1/R1 + 1/R2. दिया गया है Req = 1.403 और R1 = 2.0. हल करने पर R2
Chapter Science
Ref. Topic NCERT
Pg. No Physics
💡 Analysis & Explanation
Introduction ▼
उपर्युक्त में से कोई नहीं/उपर्युक्त में से एक से अधिक
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