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

Which of the following relation is correct for resistance ? PA A. R = L PL B. R = A С.R%3Dp. A. L. D. R = RL² А
An electrical conductor of 1.50 mm in diameter and is 48.0 m longhas 8.5 x 1028 free electrons per cubic meter. The resistance between its ends is 0.1042 and magnitude of the electric field in the conductor is 1.28 V/m. Find the drift velocity. Lütfen birini seçin: a.10.48 x 10 m/s. b. 48.00 x 10-3m/s. C. 25.58 x 10-3m/s. d. 12.10 x 10-3m/s. e. 15.12 × 10-3m/s.
A capacitor, initially at 21 V, is discharged using an 19 Ω resistor. After 155 s there are 4.2 V across the capacitor. What is the capacitance of the capacitor? (in F) a. 36.6 F b. 13.1 F c. 8.16 F d. 5.07 F
?
Some light bulbs are connected in parallel to a 120 V source. Each bulb dissipates an average power of 60 W. The circuit has a fuse F that burns out when the current in the circuit exceeds 9 A. Determine the largest number of bulbs, which can be used in this circuit without burning out the fuse.
Suppose an electric current 1.5 µA were to go through a resistance of 2.3 MQ. How much voltage would be dropped across their resistance Select one: O A. 3.45 x10° v O B. 3.45 µV OC. 3.45 MV O D. 3.45 V
Two resistors of equal resistance R are connected in parallel across a cell with emf V. What is the value of the current flowing through one of the resistors? Select one: a. V/2R b. 2V/R c. V/R d. R/V
The lightbulb used in a computer projector has a resistance of 78 Q. What is the current through the bulb when it is operating on 120 V? A
#Need quick response.
A. Ammeter-Voltmeter Methods DATA TABLE 1 Purpose: To measure resistance values. 29.3 Voltmeter resistance R Accepted value of R DATA TABLE 2 24.6 Purpose: To measure resistance values. Rheostat Current I setting Rh ( ) Voltage V ( ) Resistance R ( ) Rheostat setting Rh Current I Voltage V R' = V/I ( ) ( ) () 1 ,011) A 1.760 1 .0117A 1.758 2 .0112 A 1.669 2 .0113 A 1.700 3 . 0106 A 1.592 3 .0107A 1.611 Average R Average R' Calculations (show work) Percent error of R Percent error of R' Ammeter resistance R 3
The current in a resistor decreases by 8 A when the voltage applied across the resistor decreases from 41 V to 12 V. What is the resistance of the resistor (in Q)? Select one: OA. 3.11 ОВ. 6.62 OC.3.62 OD. 9.26 OE 14.39 ge Next page
A 20 V battery is connected to a resistor. Neglecting the internal resistance of the battery, the power delivered to the resistor is 10 W. The resistance of this resistor is equal to a. 40 0 Ob.3.0 2 OC. 0.02 n d. 0.33 0