What is the value of R so that ammeter reads zero in the circuit shown below.
Physics · JEE Main · NTA Exams — Current Electricity
What is the value of R so that ammeter reads zero in the circuit shown below.
- 600 Ω
- 300 Ω
- 250 Ω
- 150 Ω
Answer
(B) 300 Ω
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