Before a load is applied, the terminal (total) voltage of a power supply is measured to be 40 V. When a load of 500 N is attached the voltage across the load is measured to be 36 V. Determine the following.. 40 V R1 - 500 N 36 V (no load) a. The current when the load is a applied: mA b. The internal resistance of the power supply Ω

Before a load is applied, the terminal (total) voltage of a power supply is measured to be 40 V. When a load of 500 N is attached the voltage across the load is measured to be 36 V. Determine the following.. 40 V R1 - 500 N 36 V (no load) a. The current when the load is a applied: mA b. The internal resistance of the power supply Ω

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

1. Find the current through the 1 ohm resistor in the circuit below: 1/30 www 4V 1/3Q 1/302 1/30 www 1/302 www 1/302 2. Two 6.0 μF capacitors, two 2.2 k resistors, and a 12.5 V source are connected in series. Starting from the uncharged state, how long does it take for the current to drop from its initial value to 1.30 mA?
1. A battery has an emf of 14.0 V and an internal resistance of 0.08 N. Its terminals are connected to a load resistance of 3.00 N. (25 points) (A) Find the terminal voltage of the battery. (B) Calculate the power delivered to the load resistor and the power to the internal resistance of the battery.
Page 1 of 4 1. A resistor network is connected to an ideal battery. RA RB All resistors are 10.0 ohms The battery voltage Vb = 100.0 volts Calculate the current in resistor RD in amperes. V, 74°F ( ツ Rc Rp
A light bulb is rated at 300 W when operated at 120 V. How much charge in C enters (and leaves) the light bulb in 1.0 min? Select one: а. 30 b. 3 C. 150 d. 15 Pravinus page Novt Shot by Hisense H12 O O OO
4. A 10 V battery is connected to a resistor. Neglecting the internal resistance of the battery, the power delivered to the resistor is 0.833 W. Determine the resistance of this resistor.
A 120-W lightbulb connected to a 120-V source experiences a voltage surge that produces 138 V for a moment. By what percentage does its power output increase? Assume its resistance does not change. %
10
1
When the temperature is 130 degree C, the resistance of a resistor is 45 ohms. When the temperature is increased to 200 degrees C, the resistance increases to 69 ohms. Find the temperature coefficient of the resistor. a. 0.047 /C b. 0.067 / C c. 0.053 / C d. 0.032 /C
Two resistors with values of 44 Ω and 16 Ω, respectively, are connected in series and hooked to a 12 V battery. (a) How much current is in the circuit? A(b) How much power is expended in the circuit? W
Two resistors with values of 21 Ω and 46 Ω, respectively, are connected in parallel and hooked to a 14 V batter. (a) What would be the current in the circuit? A (b) What would be the power expended in the circuit? W
Q1 A 68 Q resistor is connected across the terminals of a 3 V battery. The power dissipation of the resistor is Q2 If 2 resistors of 5kQ and 7kQ are connected in series across a 15V battery, then the current flowing through each of the resistance should be