Take 12 V and R 1 270 in Fig 25 4 (a) Whats the resistance R 2 if theres 4 5 V across it (b) What will be the power dissipation in R 2 (a) Current from R1 can't go anywhere but through R2 R1 ww R2 so current through R1 and R2 is the same (b)...

If R and R are connected in series then the equivalent resistance is For ...

Take = 12 V and R 1 = 270 in Fig. 25.4. (a) Whats the

Question:

Take ε = 12 V and R₁ = 270 Ω in Fig. 25.4. (a) What’s the resistance R₂ if there’s 4.5 V across it? (b) What will be the power dissipation in R₂?

(a) Current from R1 can't go anywhere but through R2 ... R1 ww R2 so current / through R1 and R2 is the same. (b)

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Essential University Physics

ISBN: 978-0321976420

3rd Edition Volume 2

Authors: Richard Wolfsonby

See More Books

Question Posted: Feb 28, 2020 06:40 AM

See More Questions

The primary coil of a step-up transformer is connected across the terminals of a standard wall socket, and resistor 1 with a resistance R1 is connected across the secondary coil. The current in the...
In the circuit shown, R1 = 15.0 Î©, R2 = R4 = 40.0 Î©, R3 = 20.0 Î©, and R5 = 10.0 Î©. (a) What is the equivalent resistance of this circuit? (b) What...
A power supply has a fixed output voltage of 12.0 V, but you need VT = 3.0V for an experiment. (a) Using the voltage divider shown in Fig. 19-66, what should R2 be if R1 is 10.0? (b) What will the...
Christine has three cars that must be overhauled by her ace mechanic, Megan. Given the following data about the cars, use least slack per remaining operation to determine Megans scheduling priority...
How is global marketing different from international marketing?
What could other companies learn from Tony Hsieh and Zappos experiences?
Describe an educational or commercial organisation that you know in terms of the competing values model of cultures.
Faun Co. has equipment that cost $75,000 and that has been depreciated $50,000. Record the disposal under the following assumptions. (a) It was scrapped as having no value. (b) It was sold for...
1. A and B are in partnership sharing profits and losses equally. They admit C as a partner and adjusted the profit-sharing ratio to 2:2:1 for A, B, C, respectively. Goodwill is valued at $10 000 but...
Crude oil has a viscosity of about 0.8 Pas at normal temperature. A 50-km pipeline is to be constructed from an oil field to a tanker terminal. The pipeline is to deliver oil at the terminal at a...
You company is designing a battery-based backup power source, and your job is to assess its safety. You know that under damp or sweaty conditions, the resistance between two points of unbroken skin...
In Fig. 25.29, R 1 is a variable resistor and the other two resistors have equal resistances R.(a) Find an expression for the voltage across R 1 ,(b) sketch a graph of this voltage as R 1 varies from...
Using examples, explain why intermodal stimulation is vital for infants' developing understanding of their physical and social worlds.
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. Sketch the region, the solid and a typical disk or washer. -2x 3. y = ex, y = 0, x =...
2. Given the list of scores: Score1 = [ 10, 40, 50, 54, 55, 59, 63, 65, 70, 71, 75, 77, 79, 80, 99] The one-sample T-test is used to test whether the mean of Score1 is statistically different from...
Find the area of the triangle having the given measurements. Round to the nearest square unit. 13) C=100, a 3 yards, b = 8 yards Use Heron's formula to find the area of the triangle. Round to the...
1. Consider the following economy: C = 3, I = 1.5, G = 2.65, T = 2, f = 0.5, d = 0.1, a = 0.8 a) Write the mathematical expression of the consumption function b) Write the mathematical expression of...
Question 2 (Financial statement Analysis) Following is a comparative statement of financial position for Sam's Company: Sam's Company Comparative Statement of Financial Position December 31, 2020 and...
Most of the craters on the moon are probably the result of a. Volcanic action b. Meteoroid bombardment c. Erosion d. Collisions with asteroids
The following items were displayed in the statement of affairs for Lubbock Company: Fully secured liabilities ......... $90,000 Partially secured liabilities ....... 12,000 Unsecured liabilities...
For a van der Waals gas, z = V m /(V m b) a/RTV m . Expand the first term of this expression in a Taylor series in the limit V m >> b to obtain z 1 + (b a/RT)(1/V m ).
You have collected a tissue specimen that you would like to preserve by freeze drying. To ensure the integrity of the specimen, the temperature should not exceed 5.00C. The vapor pressure of ice at...
The phase diagram of NH 3 can be characterized by the following information. The normal melting and boiling temperatures are 195.2 and 239.82 K, respectively; the triple point pressure and...
Lacy is a single taxpayer. In 2020, her taxable income is $42,000. What is her tax liability in each of the following alternative situations? Use Tax Rate Schedule, Dividends and Capital Gains Tax...
PR 13-3A Selected Stock Transactions OBJ. 3 - Describe and illustrate the characteristics of stock, classes of stock, and entries for issuing stock., 4 - Describe and illustrate the accounting for...
The following sales and cost data (in thousands) are for two companies in the transportation industry: Company A Company B Amount Percent of Sales Amount Percent of Sales Sales $ 130,000 100 % $...

Take = 12 V and R 1 = 270 in Fig. 25.4. (a) Whats the

Question:

(a) Current from R1 can't go anywhere but through R2 ... R1 ww R2 so current / through R1 and R2 is the same. (b)

Step by Step Answer:

If R and R are connected in series then the equivalent resistance is For ...View the full answer

Essential University Physics

Students also viewed these Sciences questions