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प्रश्न
Use Ohm's law to determine the potential difference across the 3 Ω resistor in the circuit shown in the following diagram when key is closed:
संख्यात्मक
उत्तर
As V = IR
`I = V/R`
`I = 2/ (1 + 3 + 2)`
Hence, V (voltage across 3 Ω)
= `1/3 xx 3`
= 1 volt
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