Science 2

If R number 1=7 and R number 2 =5 what is the resistance of the circuit? Answers are 5, 7,12,or 35

asked by Jenny 2
  1. If R1 and R2 are in series, then R circuit is 12.
    If in parallel, then (1/R) = (1/R1) + (1/R2) = about 3 so they must be in series. Check that out to make sure.

    posted by DrBob222

Respond to this Question

First Name

Your Response

Similar Questions

  1. Science

    To find the current in a complex circuit, it is necessary to know the potential difference in each device in the circuit. current in each device in the circuit. equivalent resistance of the circuit. number of branches in the
  2. Science

    To find the current in a complex circuit, it is necessary to know the potential difference in each device in the circuit. current in each device in the circuit. equivalent resistance of the circuit. number of branches in the
  3. Sciencee

    Two electrical circuits have the same 15-volt batteries. Circuit A has 2 ohms of resistance, and circuit B has 6 ohms of resistance. Which of the following statements is correct? (1 point) • Circuit B has the same amount of
  4. Science

    So I need help with a lab, I'm not looking for answers, I want to know if my answers make sense, so this is the pre lab introduction: In a series circuit, electrons travel along a single pathway. The movement of the electrons
  5. Science

    To find the current in a complex circuit, it is necessary to know the potential difference in each device in the circuit. current in each device in the circuit. equivalent resistance of the circuit. number of branches in the
  6. Physics

    Let n represent the number of similar resistors in a circuit. Each resistor has a resistance of r. When the resistors are connected in parallel the circuit has a total resistance of R. What would the total resistance of the
  7. science

    Sasha wants to find the resistance of the motor. She measured a 6 V drop across the motor that is in a series circuit with a 200 ohms reseistor. The power source is supplying 9 V to the circuit. How musch resistance is her motor
  8. physics

    For any circuit the number of independent equations containing emfs, resistances, and currents equals the number of branches. why? The only type of circuit that branches is parallel. But there can be electric circuit with a
  9. Physic

    a series RLC circuit has a peak current of 4 A with a frequency of 23 kHz. if the resistance of the circuit is 60 kohm, the capacitance of the circuit is 16 uF, and the unductance of the circuit is 24 uH, determine the average
  10. physics

    a series RLC circuit has a peak current of 4 A with a frequency of 23 kHz. if the resistance of the circuit is 60 kohm, the capacitance of the circuit is 16 uF, and the unductance of the circuit is 24 uH, determine the average

More Similar Questions