There are two light bulbs in a circuit, wired in parallel. A third light bulb is added again in parallel. What is the effect on total resistance of adding this third bulb? I BELIEVE THE ANSWER IS C....

a. Total resistance increases by one third.

b. total resistance triples

c. total resistance decreases

d. Total resistance remains the same.

  1. 👍
  2. 👎
  3. 👁
  1. C is correct

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physics

    Determine the total resistance of each of the following parallel circuits. A. A parallel circuit with a 20-ohm resistor and a 10-ohm resistor. B. A parallel circuit with two 20-ohm resistors and a 10-ohm resistor. C. A parallel

  2. English

    Which of the following statements in a research paper would need citation? A. Washington, D.C. is the capital of the United States. B. The landing on the moon is one of the most exciting events in recent history.*** C.

  3. Science

    One light bulb in a string of lights goes out this causes all other lights in string to go out. This is example of A. Resistor B. parallel circuit C. Closed circuit***** D. Series circuit When a switch is turned from the off to

  4. algebra

    The light intensity of a light bulb varies inversely as the square of the distance from the light bulb. The function I(d) = k/d^2 models this situation, where I is the light intensity, d is the distance from a light source, and k

  1. brain teaser

    You are standing outside a closed door. On the other side of the door is a room that has three light bulbs in it. The room is completely sealed off from the outside. It has no windows and nothing can get in or out except through

  2. Science

    Draw a circuit diagram of a containing two cells in series, a closed switch, three identical light bulbs in parallel.

  3. science(check answers)

    1.D 2.A 3.A not sure please help 5.false One light bulb in a string of lights goes out. This causes all of the other lights in the string to also go out. This is an example of a A. resistor. B. parallel circuit. C. closed

  4. math

    The intensity of I of light from a light bulb, measured in watts per square meter (w/m^2), varies inversely as the square of the distance d from the light bulb. Suppose I is 85 w/m^2 when the distance is 5m. Find the intensity

  1. math

    One light bulb is selected at random from a lot of 150 light bulbs, of which 6% are defective. What is the probability that the light bulb selected is defective?

  2. Science

    How could you use your open circuit to test if a material is a conductor or insulator? I'm thinking that you would have to use the resistance of a light bulb. If you set it all up, and the light bulb did not turn o, you have an

  3. Physics

    In a series circuit there is 12V running with 3 bulbs with the following: 1Ω, 2Ω, and 3Ω. Calculate the potential difference across each light bulb. Assume r = 0Ω.


    Two bulbs are connected in parallel across a source of emf EMF = 10.0V with a negligible internal resistance. One bulb has a resistance of 3.0 Omega , and the other is 2.5 Omega . A resistor R is connected in the circuit in series

You can view more similar questions or ask a new question.