About 46,100 results
Open links in new tab
  1. Unknown resistor in a series-parallel circuit - Physics Forums

    Jun 2, 2018 · Engineering Unknown resistor in a series-parallel circuit flexj624 Jun 2, 2018 Circuit Circuit analysis Circuits Electrical engineering Ohm's law Resistor

  2. How Do You Calculate the Resistance of a Light Bulb in a Series Circuit ...

    Feb 24, 2009 · Homework Statement A light bulb is wired in series with a 144Ohm resistor, and they are connected across a 120.0-V source. The power delivered to the light bulb is 23.4W. What is ther …

  3. How to calculate the resistance of a series circuit?

    Oct 5, 2020 · The resistance of a series circuit is equivalent to the sum of the individual resistances, allowing for the same current to flow through a single equivalent resistor. Ohm's law (V=IR) illustrates …

  4. How Do You Calculate Net Resistance in a Circuit? - Physics Forums

    Sep 19, 2009 · Welcome to Physics Forums. To start, can you find 2 resistors that are either in series or in parallel? Replace those 2 resistors with a single, equivalent resistor and redraw the circuit.

  5. Calculating Resistance in a Parallel Circuit without Voltage ...

    Jun 10, 2016 · Homework Statement Three resistors are connected as shown in the diagram. If the current from the power supply is 250 mA and the current through R3 is 54 mA, what is the resistance …

  6. Calculating Resistance and Inductance of Coil in AC Circuit

    Dec 13, 2012 · 1. Homework Statement . A wire coil has both resistance and inductance, and is connected in series to an AC power supply with 80Hz and 180V, drawing 0.4A current and 18W …

  7. How to Measure Internal Resistance of a Battery - Physics Forums

    Feb 14, 2023 · A commonly encountered school-level Physics practical is the determination of the internal resistance of a battery - typically an AA or D cell. Typically this is based around a simple …

  8. Calculating Resistance & Current for Two Lightbulbs in Series

    May 9, 2008 · Two light bulbs, one rated at 120 V and another rated 40 W at 120 V, are arranged in series with each other. Determine the resistance of the bulb rated 30 W and the current in it when it …

  9. Calculate RLC Circuit Values: R1, R2, and Xl - Physics Forums

    Dec 21, 2011 · Homework Statement An RLC circuits consists of R1 a 10-ohm resistor, R2 a resistor that takes 50 W, C1 a capacitor with 5-ohm reactance, and L1 an inductor that takes 100 var. Find …

  10. Solving the Missing Resistor Problem in a Parallel Circuit

    Jan 4, 2022 · Summary:: How de you find the missing resistor (R6) in this problem. I assume you take the current flow of the parallel circuit to find the resistance of...