(i) In the circuit shown below, a 9 2 resistor and a 7.5 2 resistor are connected in parallel. The combination is connected in series with a 5 2 resistor and a 11.5 V power supply. Calculate: (A) the current in the 9 2 resistor; (B) the voltage drop across each resistor; and (C) the joule heating in each resistor. 11.5 V 비아 50 7.5 2 90

(i) In the circuit shown below, a 9 2 resistor and a 7.5 2 resistor are connected in parallel. The combination is connected in series with a 5 2 resistor and a 11.5 V power supply. Calculate: (A) the current in the 9 2 resistor; (B) the voltage drop across each resistor; and (C) the joule heating in each resistor. 11.5 V 비아 50 7.5 2 90

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter10: Direct-current Circuits

Section: Chapter Questions

Problem 5CQ: The severity of a shock depends on die magnitude of the current through your body. Would you prefer...

See similar textbooks

Similar questions

(II) Three 1.7 -KΩ resistors can be connected together infour different ways, making combinations of series and/orparallel circuits. What are these four ways, and what is thenet resistance in each case?
Suppose you wanted to charge an initially uncharged 110 pF capacitor through a 55 MΩ resistor to 90.0% of its final voltage. How much time (in s) would be required to do this?
Can a copper wire and an aluminum wire of the samelength have the same resistance? Explain
Check Your Understanding If you place a wire directly across the two terminal of a battery, effectively shorting out the terminals, the battery will begin to get hot. Wiry do you suppose this happens?
Check Your Understanding How would you use a river and two waterfalls to model a parallel configuration of two resistors? How does this analogy break down?
The severity of a shock depends on die magnitude of the current through your body. Would you prefer to be in series or in parallel with a resistance, such as the heating element of a toaster, if you were shocked by it? Explain.
. (III) What would the current be in Fig. 19–61 if the 12- Ωresistor is shorted out (resistance= 0 )? Let = 0 r = 1.0 Ω .
For the circuit shown in Fig.a 20.0 Ω resistor is embedded in a large block of ice at 0.00°C, and the battery has negligible internal resistance. At what rate (in g /s) is this circuit melting the ice?
When two unknown resistors are connected in series with abattery, the battery delivers 225 W and carries a total currentof 5.00 A. For the same total current, 50.0 W is delivered whenthe resistors are connected in parallel. Determine the value ofeach resistor.
Suppose E = 10.0 V, R1 = 180 ohms, and R2 = 350 ohms. See attached. What value of R3 do we select so the battery supplies 24mA? I think first we convert latter, then...
Suppose you wanted to discharge a C = 350 μF capacitor through a R = 350 Ω resistor down to 1.00% of its origional voltage. How much time would be required in seconds?
Four identical batteries, each with an internal resistance Rw = 1 Ω and of unknown strengththe electromotive force is connected in parallel and the external resistance Rz = 6 Ω is supplied to them, on whichpower P1 = 6 W was released. Then the same four identical batteries were connected in series andthe same external resistance of Rz.Calculate the power P2 that will now be distributed on the external resistance Rz