Three 100 resistors are connected as shown in the figure. The maximum power that can safely be delivered to any one resistor is 22.0 W. 100 Ω 100 Ω www (a) What is the maximum potential difference that can be applied to the terminals a and b? x You appear to have given the maximum potential difference across the left-most resistor. The problem asks for the potential difference across the entire circuit. V www 100 (2 (b) For the voltage determined in part (a), what is the power delivered to each resistor? resistor on the left 22.0 ✔W resistor at the top of the loop resistor at the bottom of the loop How is the current through this resistor related to that of the leftmost resistor? What does that imply about the ratio of the powers delivered to the two resistors? W x You are correct that the power delivered to this resistor is the same as the power delivered to the top resistor. W (c). What is the total power delivered to the combination of resistors? Enter a number correct only if each resistor received the maximum power. W

Three 100 resistors are connected as shown in the figure. The maximum power that can safely be delivered to any one resistor is 22.0 W. 100 Ω 100 Ω www (a) What is the maximum potential difference that can be applied to the terminals a and b? x You appear to have given the maximum potential difference across the left-most resistor. The problem asks for the potential difference across the entire circuit. V www 100 (2 (b) For the voltage determined in part (a), what is the power delivered to each resistor? resistor on the left 22.0 ✔W resistor at the top of the loop resistor at the bottom of the loop How is the current through this resistor related to that of the leftmost resistor? What does that imply about the ratio of the powers delivered to the two resistors? W x You are correct that the power delivered to this resistor is the same as the power delivered to the top resistor. W (c). What is the total power delivered to the combination of resistors? Enter a number correct only if each resistor received the maximum power. W

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 41P: Three 100- resistors are connected as shown in Figure P21.41 The maximum power that can safely be...

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Ralph has three resistors, R1, R2, and R3, connected in series. When connected to an ideal emf source E1, current I1 flows through the resistors. a. If the resistors are instead connected to a second source with E2=2E1, what is the new current through the resistors in terms of the first current? b. Show that, if each resistance is doubled and the resistors are connected in series to the second emf source, the current through the resistors is equal to I1.
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An automobile starter motor has an equivalent resistance of 0.0500 and is supplied by a 12.0-V battery with a 0.0100- internal resistance, (a) What is thecurrent to the motor? (b) What voltage is applied to it? (c) What power is supplied to the motor? (d) Repeat these calculations for when the battery connections are corroded and add 0.0900 to the circuit. (Significant problems are caused by even small amounts of unwanted resistance in low-voltage, high-current applications.)
Three 100- resistors are connected as shown in Figure P21.41 The maximum power that can safely be delivered to any one resistor is 25.0 W. (a) What is the maximum potential difference that can be applied to the terminals a and b? (b) For the voltage determined in part (a), what is the power delivered to each resistor? (c) What is the total power delivered to the combination of resistors?
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