How much resistance should be inserted in series with meter

Assignment Help Electrical Engineering
Reference no: EM13278961

you are an electrician on the job. you have been given a multimeter that has the following AC voltage ranges: 30,60,and 150. the meter states that it has a resistance of 5000ohm/v. you need to be able to measure a voltage of 277 volts. how much resistance should be inserted in series with the meter to make the 30- volt range indicate a full scale value of 300 volts?

Reference no: EM13278961

Questions Cloud

Describe the newtons law of gravity : Calculate, using Newton's law of gravity, the magnitude of the force of attraction between the Earth and a mass of 16.000 kg on the Earth's surface
What is the thevenin equivalent with respect to the terminal : Laboratory measurements on a dc voltage source yield a terminal voltege 75V with no load connected to the source and 60V when loaded with a 20 Ohm resistor. A)what is the thevenin equivalent with respect to the terminals of dc voltage source
Cost performance index : Discuss how a project manager would use the Cost Performance Index (CPI). Analyze why it is important for project managers to resist changes to the project baseline. If changes were to be made to a baseline, determine what conditions would prevail.
Evaluate the number of moles of bromobenzene : Calculate the number of moles of bromobenzene this represents; then calculate the amounts of all other reagents needed in this experiment relative to this amount of bromobenzene.
How much resistance should be inserted in series with meter : you are an electrician on the job. you have been given a multimeter that has the following AC voltage ranges: 30,60,and 150. the meter states that it has a resistance of 5000ohm/v. you need to be able to measure a voltage of 277 volts.
What is the electric field at the spheres surface : metal sphere of radius 32 cm has a net charge of 3.0 multiply.gif 10-8 C. What is the electric field at the sphere's surface
What is the hitech act : What is the HITECH Act? Who will it impact? Who implemented it? Provide any known facts.
Determine which lamp is defective in shortest possible time : You are an electrican working on a industrial plant. A circuit contains eight incandescent lamp connected in series across 480v. one lamp has burned out and you must determine which one is defective. you have available a voltmeter, ammeter, and oh..
Use the percent of sales method to forecast : Use long term debt if additional funds are needed. Fill in the 2012 forecast column. Use the percent of sales method to forecast. Fill in the 12/31/12 forecast column.

Reviews

Write a Review

 

Electrical Engineering Questions & Answers

  What is the required resistor value of rc high-pass filter

A first-order RC high-pass filter has a cutoff frequency of fc = 2400 Hz and the capacitor value of C = 47 nF. What is the required resistor value

  Estimate the worst-case varation in film thickness

A wafer 100mm in diameter is mounted in an electron-beam evaporation system in which the spherical radius is 40cm. Use Eq. 6.7 to estimate the worst-case varation in film thickness between the center and edges

  Find cutoff frequencies if sampling frequency in 30 khz

Sketch magnitude and phase responses (as linear gain versus digital frequencies) for each filter (use [0,π]). Indicate filter type. Find cutoff frequencies if sampling frequency in 30 kHz. Use 6 points only. Do not use MATLAB.

  Determine induced voltage at power input to digital computer

Also assume the house power wiring Has the two wires routed around the floor and ceiling. Determine the induced voltage at the power input to a digital computer that is connected to the power net for a lightning channel 1 km away.

  Calculate the ripple amplitude for the frequency

Consider the half wave rectifier with a 100Ω load and a peak voltage of 3.5 V. For a 1000μF capacitor, calculate the ripple amplitude if the frequency is 60 Hz.

  Determine what is the ac peak to peak voltage

For a BJT common Emitter Amplifier, the AC base voltage = 1,2Vrms, Av=50, Bdc=150, Bac=200, alpha dc =0.98 and an RE of 500 ohm. What is the AC P-P voltage

  Estimate the total charge enclosed within the cube

a)apply gauss's law to find the total flux leaving the closed surface of the cube. b)evaluate - *D at v the center of the cube. c)estimate the total charge enclosed within the cube.

  What is the minimum sampling frequency for a/d conversion

A video signal contains light variations that change at a frequency as high as 3.5 MHz. What is the minimum sampling frequency for A/D conversion?

  Calculate the output for each system for given input

The signal x(t)=10cos(t)+10sin(10t) is input into the following systems: a) \(H(s)=100/(s^{2}+10s+100)\) b) \(H(s)=s^{2}/(s^{2}+10s+100)\) calculate the output for each system.

  Find the power supplied by element has a positive value

find the complete functions, p(t) and w(t) supplied by the element, not just a number, and graph p(t) and w(t). Choose appropriate intervals of time for your graphs. Assume that both v(t) and i(t) are zero for t

  Find the thevenin resistance between terminals

Assuming the op amp is not saturated, find the Thevenin resistance between terminals (a,b). Since there is no independent voltage or current supply, the Thevenin voltage is zero, and one must attach a test source at (a,b)

  Explain power electronics- a single-phase bridge rectifier

Power Electronics: A Single-Phase Bridge Rectifier, A single-phase bridge rectifier has a purely resistive load R=10 Ohms, the peak supply voltage Vm=170 V

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd