Compute the resistance of a lightbulb

Assignment Help Physics
Reference no: EM13266795

(a) What is the resistance of a lightbulb that uses an average power of 55.0 W when connected to a 60.0 Hz power source having a maximum voltage of 180 V?

(b) What is the resistance of a 100 W bulb?

Reference no: EM13266795

Questions Cloud

Explain cesium crystal is observed at an angle : When X-rays with ? = 1.937 Å are used, the second-order Bragg reflection from a set of parallel planes in a(n) cesium crystal is observed at an angle
Find the maximum angle of incidence for a light ray : What is the maximum angle of incidence for a light ray within the water to strike the glass wall and still emerge to the outside air
Calculate annual cost of electrical and electrical energy : The measured current, voltage and power factor of a premium-efficient, three-phase, 125-hp air compressor motor are shown in the table below. Assume motor is 95.3% efficient at all loads. Loaded Unloaded Current (Amps) 127 63 Voltage (Volts) 476 47..
How to caculate the mass of khc8h4o4 : Caculate the mass of KHC8H4O4 (molar mass= 204344 g/mol) that reacts with 15 mL of the NaOH solution (0.16 molar solution of NaOH). Express this mass KHC8H4O4 to the correct number of significant figures.
Compute the resistance of a lightbulb : What is the resistance of a lightbulb that uses an average power of 55.0 W when connected to a 60.0 Hz power source having a maximum voltage of 180 V
Find the total power radiated by the sun : The mean distance between the Earth and the Sun is 1.50×1011 m. determine the total power radiated by the Sun
What is the bond yield to maturity : You just purchased a bond that matures in 4 years. The bond has a face value of $1,000 and has an 9% annual coupon. The bond has a current yield of 7.63%. What is the bond's yield to maturity? Round your answer to two decimal places.
Find what is the new resistance level of a copper wire : What is the new resistance level of a copper wire if the length is changed from 200ft to 100yd, the area is changed from 40,000CM to 0.04 in.^2, and the original resistance was 800m ohms. CM stands for circular mill not cm^2.
Compute the realized rate of return for investors : Compute the realized rate of return for investors who purchased the bonds when they were issued and who surrender them today in exchange for the call price. Round your answer to two decimal places.

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the electic field between the planes

two infinite, parallel planes have excess charge densitites o and -2o, what are the magnitude and direction of the electic field between the planes

  Find the difference ma - mb in the masses of these planets

The mass of a robot is 5220 kg. This robot weighs 2650 N more on planet A than it does on planet B. Both planets have the same radius of 2.26 × 107 m

  Determine the value of pe and ke

think about the modes of substances in the gas phase and explain why potential energy is included in the thermal energy of some substances in the gas phase, when a monatomic solid/liquid turns into a gas, what are the PE and KE equal to then

  Find vector a and express in terms of unit vector x

Vector A - Vector B=(-51.4m)x, Vector C=(62.2m)x, and Vector A + Vector B + Vector C=(13.8m)x, Find Vector A and express in terms of unit vector x

  Electrons are shot between plates from the left edge

The first electron has the initial velocity v0 that makes an angle θ=45° with the lower plate and has a magnitude of 7.53×106 m/s. would this electron strike one of the plates? If so, what is the horizontal distance from the left edge? If not enter t..

  What are the x- and y- coordinates of the electron

An electron is placed in a uniform electric field of strength 210 N/C. If the electron is at rest at the origin of a coordinate system at t = 0 and the electric field is in the positive x-direction

  What is the wind velocity

Carlos weighs 900N on the surface of the earth. How much would he weigh in the satellite circling earth at an altitude of 3200km? (The earth's radius is 6400 km)

  How much heat is transfered from the water

A bottle containing 5 kg of water at a temperature of 15C is placed in a refrigerator, How much heat is transfered from the water to cool it to 1C

  At what angular speed should it spin

If the arm is 5.50-m long and pivots about one end, at what angular speed (in rpm) should it spin so that the acceleration of the lander is the equal as acceleration because of gravity at the surface of Europa? The mass of Europa is 4.8 times 10^ ..

  What is the distance between the charges

Two charges Q1 = 48 muC and Q2 = 88 muC are found to have a potential energy of 43 J . What is the distance between the charges?

  How much energy is transferred to the water as heat

How much energy is transferred to the water as heat

  Write a general expression of the flux

Write a general expression of the flux

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd