Question: Example 161. A potentiometer wire is supplied a con voltage of 3 V. A cell of emf 1.08 V is balanced by the vo

Example 161. A potentiometer wire is supplied a con voltage of 3

Example 161. A potentiometer wire is supplied a con voltage of 3 V. A cell of emf 1.08 V is balanced by the vo drop across 216 cm of the wire. Find the total length a potentiometer wire.

Step by Step Solution

★★★★★

3.31 Rating (148 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

To solve the problem we need to use the concept of a potentiometer wire where ... 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 Physics Questions!

A voltage V is connected across a wire of length and radius r. How is the electron drift speed affected if (a) is doubled, (b) r is doubled, (c) V is doubled, assuming in each case that other...

A wire is connected across a steady voltage source. (a) If that wire is replaced with one of the same material that is twice as long and has twice the cross- sectional area, how will the current in...

A 3.2-mm-diameter stainless-steel wire 30 cm long has a voltage of 10 V impressed on it. The outer surface temperature of the wire is maintained at 93C. Calculate the center temperature of the wire....

ergy in the system remains constant throughout this process Do the entire questions: One of the most fundamental principles of physics is the conservation of energy. This principle states that energy...

amount of energy in the system remains constant throughout this process Do the entire questions: One of the most fundamental principles of physics is the conservation of energy. This principle states...

are the same regardless of where an observer is located. This principle has been confirmed by numerous experiments, including the famous Michelson-Morley experiment, and is a cornerstone of modern...

lativity is another key concept in physics. This principle states that the laws of physics are the same for all observers in uniform motion relative to one another. This means that there is no...

This means that there is no preferred frame of reference in the universe, and the laws of physics are the same regardless of where an observer is located. This principle has been confirmed by...

1: A defibrillator passes 12 A of current through the torso of a person for 0.0055 s. Part (a) How much charge moves in C? 0 = Part (b) How many electrons pass through the wires connected to the...

THE DATA IS BASED ON THE MATERIALS TOPIC: How to calculate resistance, current and voltage in Parallel circuits I. OBJECTIVES: Learning Competency: Solve measurement problems Week 5 Current,...

Consider the following cash flows: Year 0 Cash Flow $4,950 1,450 2,550 1,250 950 4 What is the payback period for the cash flows? (Do not round intermediate calculations and round your answer to 2...

An electronic store sells particular model of a laptop computer. There are only six laptops in stock, and the manager wonders what daily demand for this particular model will be. She learns from the...

Suppose that, in each period, the cost of a security either goes up by a factor of u = 2 or down by a factor d = 1/2. Assume the initial price of the security is $100 and that the interest rate r is...

Sarik was surprised by how many conversations it took to make a deal with CorpCo. What pitfall did Sarik experience?

I am responsible for paying all the bills at my company. I notice that we, the buyers, have received a shipment for which the bill of lading says, "freight prepaid". Am I correct that we will be...

Situation Roles: You = Account Manager at Amazon Para = Marketing Director at Blue Intelligence, Inc. Taylor = Your manager at Amazon Background: In addition to concerns over higher costs during your...

Problem 5-5A The trial balance of Valdez Fashion Center contained the following accounts at November 30, the end of the company's fiscal year VALDEZ FASHION CENTER Trial Balance November 30, 2015...

Refer to the table to answer the following questions. Year Nominal GDP (in billions) Total Federal Spending (in billions) Real GDP (in billions) Real Federal Spending (in billions) 2000 9,817 578...

It takes 18 J of energy to move a 0.30-mC charge from one plate of a 15-C capacitor to the other. How much charge is on each plate?

In Fig. 21-11, the rod moves with a speed of 1.6 m/s on rails 30.0 cm apart. The rod has a resistance of 2.5Î©. The magnetic field is 0.35 T, and the resistance of the conductor 21.0...

An automobile engine slows down from 3500 rpm to 1200 rpm in 2.5 s. Calculate (a) Its angular acceleration, assumed constant, (b) The total number of revolutions the engine makes in this time.

7.45. Pose null and alternative hypotheses about the relationship between time spent on the Internet (WWWHR for the GSS) and a binary predictor available atthe GSSthat you believe may be associated...

7.48. When asked by the GSS about the number of people with whom the subject had discussed matters of importance over the past six months (variable NUMGIVEN), the response of 0 was made by 8.9% of...

7.58. Describe a situation in which it would be more sensible to compare means using dependent samples than independent samples.