1.0 / April 20, 2012
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Description

The circuit is made up of a variable powersupply, a variable resistor R and, a light bulb all connected inseries.
An ammeter, placed in series, allows the current, I, to bemeasured. A voltmeter connected in parallel with the resistor, R,allows the voltage across the resistor VR to be measured.
The light bulb acts like a resistor, RA, with resistance equal to10Ω.
The curve shows the power dissipated in the the resistor. The unitof power is the Watt (W).
P = VR x I = R x I2
When the voltage is increased, the current, I, increases and thepower dissipated by the resistor, R, increases.
When the value of the resistor is increased, I decreases and thepower dissipated by the resistor, R, decreases.
The variable resistor, R, allows control of the current intensityin the circuit.

Slide the cursor on the voltage and/or resistance tab toestablish the desired values.

App Information Power dissipated by a resistor

  • App Name
    Power dissipated by a resistor
  • Package Name
    air.fr.edumedia.a820.en
  • Updated
    April 20, 2012
  • File Size
    247k
  • Requires Android
    Android 2.2 and up
  • Version
    1.0
  • Developer
    eduMedia
  • Installs
    10 - 50
  • Price
    $1.36
  • Category
    Education
  • Developer
  • Google Play Link

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The circuit is made up of a variable powersupply, a variable resistor R and, a light bulb all connected inseries.An ammeter, placed in series, allows the current, I, to bemeasured. A voltmeter connected in parallel with the resistor, R,allows the voltage across the resistor VR to be measured.The light bulb acts like a resistor, RA, with resistance equal to10Ω.The curve shows the power dissipated in the the resistor. The unitof power is the Watt (W).P = VR x I = R x I2When the voltage is increased, the current, I, increases and thepower dissipated by the resistor, R, increases.When the value of the resistor is increased, I decreases and thepower dissipated by the resistor, R, decreases.The variable resistor, R, allows control of the current intensityin the circuit.Slide the cursor on the voltage and/or resistance tab toestablish the desired values.
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