![Bundle: Physics for Scientists and Engineers with Modern Physics, Loose-leaf Version, 9th + WebAssign Printed Access Card, Multi-Term](https://www.bartleby.com/isbn_cover_images/9781305932302/9781305932302_largeCoverImage.gif)
Concept explainers
(a)
The rms current in the circuit.
(a)
![Check Mark](/static/check-mark.png)
Answer to Problem 40P
The rms current in the circuit is
Explanation of Solution
Write expression for rms current.
Here,
Write expression for
Here,
Write expression for
Here,
Write expression for
Here,
Write expression for
Here,
Conclusion:
Substitute
Substitute
Substitute
Substitute
Therefore, the rms current in the circuit is
(b)
The power factor in the circuit.
(b)
![Check Mark](/static/check-mark.png)
Answer to Problem 40P
The power factor of the circuit is
Explanation of Solution
Write expression for power factor in the circuit.
Here,
Write expression for phase angle.
Conclusion:
Substitute
Substitute
Therefore, the power factor of the circuit is
(c)
The capacitor that must be added in series to make the power factor equal to 1.
(c)
![Check Mark](/static/check-mark.png)
Answer to Problem 40P
The capacitor that must be added in series to make the power factor equal to 1 is
Explanation of Solution
To make the power factor equals to
Substitute
Therefore, the capacitor that must be added in series to make the power factor equal to 1 is
(d)
The reduction in the supply voltage.
(d)
![Check Mark](/static/check-mark.png)
Answer to Problem 40P
The reduction in the supply voltage is
Explanation of Solution
Write expression for average power in terms for rms volage.
Here,
Write expression for power in terms of power factor.
Conclusion:
Equate equation (VIII) and equation (IX).
Substitute
Therefore, The reduction in the supply voltage if the power remains same is
Want to see more full solutions like this?
Chapter 33 Solutions
Bundle: Physics for Scientists and Engineers with Modern Physics, Loose-leaf Version, 9th + WebAssign Printed Access Card, Multi-Term
- Solve and answer the question correctly please. Thank you!!arrow_forward་ The position of a particle is described by r = (300e 0.5t) mm and 0 = (0.3t²) rad, where t is in seconds. Part A Determine the magnitude of the particle's velocity at the instant t = 1.5 s. Express your answer to three significant figures and include the appropriate units. v = Value Submit Request Answer Part B ? Units Determine the magnitude of the particle's acceleration at the instant t = 1.5 s. Express your answer to three significant figures and include the appropriate units. a = Value A ? Unitsarrow_forwardSolve and answer the question correctly please. Thank you!!arrow_forward
- Solve and answer the question correctly please. Thank you!!arrow_forwardA spiral transition curve is used on railroads to connect a straight portion of the track with a curved portion. (Figure 1) Part A v = v₁ft/s 600 ft y = (106) x³ If the spiral is defined by the equation y = (106)³, where x and y are in feet, determine the magnitude of the acceleration of a train engine moving with a constant speed of v₁ = 30 ft/s when it is at point x = 600 ft. Express your answer to three significant figures and include the appropriate units. ? a = Value Unitsarrow_forwardsolve and answer the problem correctly please. Thank you!!arrow_forward
- Solve and answer the question correctly please. Thank you!!arrow_forwardSolve and answer the question correctly please. Thank you!!arrow_forwardWhen the motorcyclist is at A, he increases his speed along the vertical circular path at the rate of = (0.3t) ft/s², where t is in seconds. Take p = 360 ft. (Figure 1) Part A 60° Ρ B If he starts from rest at A, determine the magnitude of his velocity when he reaches B. Express your answer to three significant figures and include the appropriate units. v = Value Submit Request Answer ་ Part B ? Units If he starts from rest at A, determine the magnitude of his acceleration when he reaches B. Express your answer to three significant figures and include the appropriate units. 11 ? a = Value Unitsarrow_forward
- The car starts from rest at s = 0 and increases its speed at a₁ = 7 m/s². (Figure 1) Part A = 40 m Determine the time when the magnitude of acceleration becomes 20 m/s². Express your answer to three significant figures and include the appropriate units. ? t = Value Units Part B At what position s does this occur? Express your answer to three significant figures and include the appropriate units. s = Value Submit Request Answer ? Unitsarrow_forwardSolve and answer the question correctly please. Thank you!!arrow_forwardSolve and answer the question correctly please. Thank you!!arrow_forward
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
- Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage LearningPhysics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
![Text book image](https://www.bartleby.com/isbn_cover_images/9781133104261/9781133104261_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9781938168161/9781938168161_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9781285737027/9781285737027_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9781133939146/9781133939146_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9781337553292/9781337553292_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9781337553278/9781337553278_smallCoverImage.gif)