Question

Eight bulbs are connected in parallel to a 220 VV source by two long leads of...

Eight bulbs are connected in parallel to a 220 VV source by two long leads of total resistance 1.9 Ω .

If 270 mAmA flows through each bulb, what is the resistance of each?

Express your answer to two significant figures and include the appropriate units.

R=?

If 270 mAmA flows through each bulb, what fraction of the total power is wasted in the leads?

Pwasted/Ptotal = ?

Express your answer using two significant figures.

Homework Answers

Answer #1

If you have any doubt then mention in the commant.

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Eight bulbs are connected in parallel to a 220 Vsource by two long leads of total...
Eight bulbs are connected in parallel to a 220 Vsource by two long leads of total resistance 1.9 Ω . a) If 150 mA flows through each bulb, what is the resistance of each? b) If 150 mA flows through each bulb, what fraction of the total power is wasted in the leads?
50 electric bulbs are connected across supply of 220 volts. After one bulb is fused remaining...
50 electric bulbs are connected across supply of 220 volts. After one bulb is fused remaining 49 bulbs are again connected to same supply. The illumination will be more with 50 bulbs than with 49 bulbs. True False In two heating coils one is thinner and the other is thicker. Both coils are of same material and length. These are connected in parallel and then in series. In parallel combination thicker wire liberates more energy and in series combination thin...
Two 15 Ω and three 25 Ω light bulbs and a 24 V battery are connected...
Two 15 Ω and three 25 Ω light bulbs and a 24 V battery are connected in a series circuit. What is the current the passes through each bulb?
1. Two light bulbs of resistance 10.0-Ω and 20.0-Ω are connected to a voltage source of...
1. Two light bulbs of resistance 10.0-Ω and 20.0-Ω are connected to a voltage source of 3 V. (a) How would you connect them to get minimum current? Draw the circuit diagram. Calculate the total current in the circuit. (b) How would you connect them to get maximum current? Draw the circuit diagram. Calculate the total current in the circuit. Calculate the current through each resistor
​Two resistors, each with a resistance of 200 M​Ω are connected in parallel. Two capacitors, each...
​Two resistors, each with a resistance of 200 M​Ω are connected in parallel. Two capacitors, each with a capacitance of 10 ​μ​F are connected in series. The combination of resistors and the combination of capacitors are then connected in series with a battery supplying an emf of 12 V. The electrical circuit is completed. The capacitors are uncharged at the beginning. (a) Illustrate the circuit. (b) Calculate the capacitive time constant of the circuit. (c) What fraction of the final...
Now let’s look at a specific problem involving series and parallel combinations of capacitors. Two capacitors,...
Now let’s look at a specific problem involving series and parallel combinations of capacitors. Two capacitors, one with C1=6.0μF and the other with C2=3.0μF, are connected to a potential difference of Vab=18V. Find the equivalent capacitance, and find the charge and potential difference for each capacitor when the two capacitors are connected (a) in series and (b) in parallel. PART A: Repeat this example for  Vab=18V and C1=C2=10μF. What is the equivalent capacitance for the capacitors when they are connected in...
If two resistors with resistances R1 and R2 are connected in parallel, as in the figure...
If two resistors with resistances R1 and R2 are connected in parallel, as in the figure below, then the total resistance R, measured in ohms (Ω), is given by 1/R= 1/R1+1/R2 If R1 and R2 are increasing at rates of 0.3 Ω/s and 0.2 Ω/s, respectively, how fast is R changing when R1 = 80 Ω and R2 = 110 Ω? (Round your answer to three decimal places.)
If two resistors with resistances R1 and R2 are connected in parallel, as in the figure...
If two resistors with resistances R1 and R2 are connected in parallel, as in the figure below, then the total resistance R, measured in ohms (Ω), is given by 1 R = 1 R1 + 1 R2 . If R1 and R2 are increasing at rates of 0.3 Ω/s and 0.2 Ω/s, respectively, how fast is R changing when R1 = 50 Ω and R2 = 60 Ω? (Round your answer to three decimal places.)
Three capacitors having capacitances of 8.0 µF, 8.2 µF, and 4.3 µF are connected in series...
Three capacitors having capacitances of 8.0 µF, 8.2 µF, and 4.3 µF are connected in series across a 36-V potential difference. (A) What is the charge on the 4.3μF capacitor? ( Express your answer using two significant figures ) (B) What is the total energy stored in all three capacitors? (Express your answer using two significant figures) (C) The capacitors are disconnected from the potential difference without allowing them to discharge. They are then reconnected in parallel with each other,...
2. A resistor R and an inductor L are connected in parallel to an AC source...
2. A resistor R and an inductor L are connected in parallel to an AC source providing a voltage v(t) = V sin(ωt). (a) Draw a phasor diagram showing all the relevant variables of this circuit. You should support your diagram by using Kirchhoff’s rules and what you know about inductors to get full credit. Find the peak value of the total current in terms of V, R, L, and ω. (b) At an angular frequency, ω0 = 1.0 ×...