A 75 0 and a 45 0 resistor are connected in parallel When this combination is connected across a battery, the current delivered by the battery is 0 294 A When the 45 0 resistor is disconnected, the current from the battery drops to 0 116 A Determine (a) The emf and (b) The internal resistance of the battery

Question: A 75.0- and a 45.0- resistor are connected in parallel. When this combination is connected across a battery, the current delivered by the battery is

A 75.0-Ω and a 45.0-Ω resistor are connected in parallel. When this combination is connected across a battery, the current delivered by the battery is 0.294 A. When the 45.0-Ω resistor is disconnected, the current from the battery drops to 0.116 A. Determine
(a) The emf and
(b) The internal resistance of the battery.

Step by Step Solution

★★★★★

3.36 Rating (162 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a In the first case the parallel resistance of the 750 and the 450 resistors have an equivalent ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

1176-P-M-P-A-S(948).docx

120 KBs Word File

Students Have Also Explored These Related Modern Physics Questions!

A 2.5-k and a 3.7-k resistor are connected in parallel; this combination is connected in series with a 1.4-k resistor. If each resistor is rated at 0.5 W (maximum without overheating), what is the...

A 224- resistor and a 589- resistor are connected in series across a 90.0-V line. (a) What is the voltage across each resistor? (b) A voltmeter connected across the 224- resistor reads 23.8 V. find...

Four resistors are connected in parallel across a 9.20-V battery. They carry currents of 150 mA, 45.0 mA, 14.00 mA, and 4.00 mA. (a) If the resistor with the largest resistance is replaced with one...

THIS IS PHYSICS SUBJECT.. I WILL GIVE HELPFUL RATING AFTER PROMISE. 1. A 32 Q resistor and a 20 Q resistor are connected in parallel, and the combination is connected across a 240-V dc line. (a) What...

A battery delivering a current of 55.0 A to a circuit has a terminal voltage of 20.9 V. The electric power being dissipated by the internal resistance of the battery is 37 W. Find the emf of the...

Review 2C PHYS 22100 Name Use the sketch shown below to answer the next 3 questions. The sketch shows a region of space with regions of uniform electric potential indicated by dashed lines. Eight...

please answer all questions, thank you Question 9 1 pts A 110 V hair dryer is rated at 1200 W. What current will it draw when operating from a 110 V electrical outlet? 17 A 7 A 11 A 26A Question 10 1...

Need help solving this 11 questions Question 7 (Mandatory) (1 point) Question 1 (Mandatory) (1 point) The total current coming out of the battery is 0.339 A. Consider the circuit sketched. How are R1...

A 60.0-V resistor is connected in parallel with a 120.0- resistor. This parallel group is connected in series with a 20.0- resistor. The total combination is connected across a 15.0-V battery. Find...

Just provide the answer: 26. Four 20-2 resistors are connected in parallel and the combination is connected to a 20-V emf device. The current in any one of the resistors is: A) 0.25 A B) 1.0 A C) 4.0...

What is a badge of servitude, and how has it been used in the development of equal protection under the Constitution?

Show that for the unbiased estimator of Example 10.4, n + 1 / n Yn, the Cramer-Rao inequality is not satisfied.

1) Are Robo-advisors a threat or a supplement to the Financial Planning industry

describe the two downstream portfolio models: the BCG and GE models

In a region of space where gravitational forces can be neglected, a sphere is accelerated by a uniform light beam of intensity 6.0mW/m2. The sphere is totally absorbing and has a radius of 2.0 m and...

In Figure, unpolarized light is sent into a system of three polarizing sheets, where the polarizing directions of the first and second sheets are at angles 1 = 20? and 2 = 40?. What fraction of the...

In Figure, unpolarized light is sent into a system of three polarizing sheets with polarizing directions at angles 1 = 20?, 2 = 60?, and 3 = 40?. What fraction of the initial light intensity emerges...

Help needed Problem 11-13 Weight of Preferred Stock (LG11-4) FarCry Industries, a maker of telecommunications equipment, has 2 million shares of common stock outstanding. 1 million shares of...

Even though most corporate bonds in the United States make coupon payments semiannually, bonds issued elsewhere often have annual coupon payments. Suppose a German company issues a bond with a par...

in language C Vrite a simple invoice generating program for a pet store as follows: 1- Ask the user for the tax rate and store it in a float variable. 2. Ask the user for the number of cats being...