danielmoreno54321987
danielmoreno54321987 danielmoreno54321987
  • 14-02-2022
  • Physics
contestada

If in the circuit shown in figure below, the reading on the voltmeter is 5 V and the reading on the ammeter is 25 mA, the resistance of resistor R is:

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Аноним Аноним
  • 14-02-2022
  • Voltage=V=5V
  • Current=I=25mA=25×10^-3A
  • Resistance be R

Apply ohms law

[tex]\\ \rm\hookrightarrow R=\dfrac{V}{I}[/tex]

[tex]\\ \rm\hookrightarrow R=\dfrac{5}{25\times 10^{-3}}[/tex]

[tex]\\ \rm\hookrightarrow R=0.2\times 10^{-3}[/tex]

[tex]\\ \rm\hookrightarrow R=0.0002\Omega[/tex]

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