(a) A lightbulb has a resistance of 165 Ω when operating with a potential difference of...
(a) A lightbulb has a resistance of 165 Ω when operating with a potential difference of 115 V across it. What is the current in the lightbulb (in mA)? mA (b) What If? What would be the current in the lightbulb (in mA) if it were used in Japan, where the potential difference across it would be 100 V? mA
Homework Answers
Add Answer to:
(a) A lightbulb has a resistance of 165 Ω when operating with a
potential difference of...
Current and Ohm's Law ?
(a)A lightbulb has a resistance of 210 Ω when operating with a potential difference of 125 V across it. What is the current in the lightbulb (in mA)? mA(b)What If? What would be the current in the lightbulb (in mA) if it were used in Peru, where the potential difference across it would be 220 V? mA
2. -/1 points SerPSE9 27.P.014.WI. A lightbulb has a resistance of 200 n when operating with...
2. -/1 points SerPSE9 27.P.014.WI. A lightbulb has a resistance of 200 n when operating with a potential deference of 160 V across it. What is the current in the lightbulb? MA
Part A : The resistance of an electric heater is 90 Ω when connected to 120...
Part A : The resistance of an electric heater is 90 Ω when connected to 120 V. How much energy does it use during 15 min of operation? (answer in J) Part B : The lightbulb used in a computer projector has a resistance of 71 Ω. What is the current through the bulb when it is operating on 120 V? ( answer in A )
A steel wire, of length L and diameter D, has a resistance of 100 Ω. What...
A steel wire, of length L and diameter D, has a resistance of 100 Ω. What current would flow through a silver wire of the same diameter and the same length if a 20.0 V potential difference were applied across its length?
An automobile battery has an emf of 12.6 V and an internal resistance of 0.0710 Ω....
An automobile battery has an emf of 12.6 V and an internal resistance of 0.0710 Ω. The headlights together have an equivalent resistance of 7.50 Ω (assumed constant). (a) What is the potential difference across the headlight bulbs when they are the only load on the battery? (Enter your answer to at least two decimal places.) 12.48 V (b) What is the potential difference across the headlight bulbs when the starter motor is operated, with 35.0 A of current in...
An automobile battery has an emf of 12.6 V and an internal resistance of 0.0840 Ω....
An automobile battery has an emf of 12.6 V and an internal resistance of 0.0840 Ω. The headlights together have an equivalent resistance of 7.90 Ω (assumed constant) (a) What is the potential difference across the headlight bulbs when they are the only load on the battery? (Enter your answer to at least two decimal places.) (b) What is the potential difference across the headlight bulbs when the starter motor is operated, with 35.0 A of current in the motor?...
A solar cell generates a potential difference of 0.0912 V when a 500 Ω resistor is...
A solar cell generates a potential difference of 0.0912 V when a 500 Ω resistor is connected across it, and a potential difference of 0.1409 V when a 1000 Ω resistor is substituted. a) What is the internal resistance of the solar cell? b) What is the emf of the solar cell? c) The area of the cell is 5.0 cm2, and the rate per unit area at which it receives energy from light is 2.0m W/ cm2. What is...
A 100-W lightbulb has a resistance of about 12 Ω when cold (20 ∘C) and 152...
A 100-W lightbulb has a resistance of about 12 Ω when cold (20 ∘C) and 152 Ω when on (hot). Estimate the temperature of the filament when hot assuming an average temperature coefficient of resistivity α=0.0045(C)−1.
A 100-W lightbulb has a resistance of about 12 Ω when cold (20 ∘C) and 124...
A 100-W lightbulb has a resistance of about 12 Ω when cold (20 ∘C) and 124 Ω when on (hot). Estimate the temperature of the filament when hot assuming an average temperature coefficient of resistivity α=0.0045(C)−1.
A 100-W lightbulb has a resistance of about 12 Ω when cold (20 ∘C) and 128...
A 100-W lightbulb has a resistance of about 12 Ω when cold (20 ∘C) and 128 Ω when on (hot). Estimate the temperature of the filament when hot assuming an average temperature coefficient of resistivity α=0.0045(C)−1.
2. -/1 points SerPSE9 27.P.014.WI. A lightbulb has a resistance of 200 n when operating with a potential deference of 160 V across it. What is the current in the lightbulb? MA
An automobile battery has an emf of 12.6 V and an internal resistance of 0.0840 Ω. The headlights together have an equivalent resistance of 7.90 Ω (assumed constant) (a) What is the potential difference across the headlight bulbs when they are the only load on the battery? (Enter your answer to at least two decimal places.) (b) What is the potential difference across the headlight bulbs when the starter motor is operated, with 35.0 A of current in the motor?...
Most questions answered within 3 hours.
-
What is meant by biocultural evolution? what examples will
better describe how it might have influenced...
asked 28 minutes ago -
How
do I locate proper sources that are peer reviewed articles for this
topic : placing...
asked 24 minutes ago -
A recent graduate decided to have $1 million ready for
retirement 30 years from now. The...
asked 23 minutes ago -
Schrute Farm Sales buys portable generators for $460 and sells
them for $720 He pays a...
asked 30 minutes ago -
A 10,000 kg jet plane must reach a speed of 60 m / s for
takeoff....
asked 24 minutes ago -
Write and submit one complete Java program to solve the
following requirements. Your program will employ...
asked 32 minutes ago -
Identical twins come from a single egg that split into two
embryos, and fraternal twins are...
asked 43 minutes ago -
The chemical formula for any CFC, HCFC, or HFC can be obtained
by adding 90 to...
asked 45 minutes ago -
Price discrimination adds to social welfare in the form of
(i)
increased total surplus.
(ii)
reduced...
asked 39 minutes ago -
Find and Sketch 6 point circular convolution of two sequences;
N=6
x[n] = [1,2,3,4]
h[n]= [0,0,1,0]
asked 54 minutes ago -
Using c# visual studio
Game of Life
The Game of Life program assignment follows the material...
asked 46 minutes ago -
True or false
Andrea owes Joe $75,
due on Monday. She cannot get him the money...
asked 53 minutes ago