Question: A switch has a variable resistance that is nearly zero when closed and extremely large when open, and it is placed in series with the

A switch has a variable resistance that is nearly zero when closed and extremely large when open, and it is placed in series with the device it controls. Explain the effect the switch in Figure 21.41 has on current when open and when closed. E R

E R

Step by Step Solution

★★★★★

3.36 Rating (152 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

When the switch in Figure 2141 is closed the resistance of the switch is nearly zero This means that ... 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

Students Have Also Explored These Related College Physics 2nd Questions!

In principle, when used together, an ammeter and voltmeter allow for the measurement of the resistance of any circuit element. Lets assume that that element is a simple ohmic resistor. Suppose that...

A galvanometer has a coil resistance of 34.0 . It is to be made into a voltmeter with a full-scale deflection equal to 100.0 V. If the galvanometer deflects full scale for a current of 0.120 mA, what...

A galvanometer is to be turned into a voltmeter that deflects full scale for a potential difference of 100.0 V. What size resistor should be placed in series with the galvanometer if it has an...

Resistors in series and parallel. A switch has a variable resistance that is nearly zero when closed and extremely large when open, and it is placed in series with the device it controls. Explain the...

10.255.255.255.ii (ii) Describe the advantages of the paired de Bruijn Graph versus the non paired version of the de Bruijn Graph. [3 marks] (d) Discuss the advantages of using soft k-means versus...

Card, D., Krueger, A.B. (1994). Minimum wages and employment: a case study of the fast-food industry in New Jersey and Pennsylvania. American Economic Review, 84(4), 772-93. Once you have read your...

Case Study 2 - Merck and Co., Inc. The case study file is available through MyCourses. Read the case study and exhibits, then prepare your analysis. Your analysis should include your thoughts and...

Remember these things: 1. Batteries (or power supplies) are sources of constant potential. For current to flow in a circuit, there must be a closed loop. 3. When the current reaches device, it can...

On March 1, 2020, Visa paid $264 million for a one-year insurance policy starting on March 1, 2020 and running for 12 consecutive months. On March 1, Visa made the following journal entry: Dr....

A U.S. company's foreign subsidiary had the following amounts in stickles (), the functional currency, in 2013: The average exchange rate during 2013 was 1 = $.96. The beginning inventory was...

Generally assets with ADR lives of 4 years or less is 3 - year Property Class ( Recovery Period ) .

4. Why arent the payments for a 15-year mortgage twice the payments for a 30-year mortgage at the same rate?

Brazil can produce 100 pounds of beef or 10 autos. In contrast the United States can produce 40 pounds of beef or 30 autos. Which country has the absolute advantage in beef? Which country has the...

True or False: The source of comparative advantage must be natural elements like climate and mineral deposits. Explain.

Retrieve inflation data from The World Bank data base (http://databank.worldbank.org/data/home.aspx) for India, Spain, and South Africa for 20112015. Prepare a chart that compares India, Spain, and...

Discuss purpose/motivation -- why is Dow Jones Industrial Average data important to analyze, what could be gained from analyzing this data, etc.

Give the high level description of the Turing machine, M which decides that the G is a connected graph

According to Cheffers and Pakaluk, ethical accounting is a [insert best word from below] for the markeplace. Pain Punishment Watchdog Corruption