candylovepips candylovepips

29-09-2022
Physics

Answered

A. Determine the resistance of the tungsten filament in a 55- W 120- V incandescent lightbulb at its operating temperature of about 2800 K .

B. Determine the resistance of the tungsten filament in this incandescent lightbulb at room temperature (20 ∘C ).

I have the answer to part A (260 ohms) I just don't understand B.

Answer :

Other Questions

A physics student on Planet Exidor throws a ball, and it follows the parabolic trajectory shown in (Figure 1). The ball's position is shown at 1.0 s intervals u

Hello, how are you? could please someone help me with this homework. thank you in advance. 1) What is a scientific discovery (whether discussed in this course o

A ball is dropped from the top of a tall building of height = 91 m. What was the magnitude of the velocity of the ball at impact? The magnitude of gravity use

. (a) Show that the average speed of a tennis ball is 48 m/s when it travels the full length of the court, 24 m, in 0.5 s. (b) How would greater air resistance

Question 6 of 32 A monatomic gas is measured to have an average speed of 1673 m/s. If the total amount of the gas is 8 mol (which equates to a mass of 0.032 kg)

8. The World Health Organization has ranked the U.S. A. 18th B. 50th C. 25th D. 37th

A car initially at rest accelerates at 8 m/s2. What is the velocity of the car when it has traveled 1 m? A. 2 m/s B. 16 m/s C. 4 m/s D. 8 m/s

Nikolas is in a mineshaft that descends into the ground at an angle of 6° below horizontal. After walking 2.95 kilometers into the mineshaft, how far below the

A player passes a basketball to another player who catches it at the same level from which it was thrown. the initial speed of the ball is 7.0 m/s , and it trav

A positive test charge of magnitude 2.40 x 10−8 C experiences a force of 1.50×10−3 N toward the east. What is the electric field at the position of the test cha