User Account

All Pages

To what minimum resistance value can the rheostat

Assignment Help Electrical Engineering
Reference no: EM131150299

A 120 V lamp-dimming circuit is controlled by a rheostat and protected from excessive current by a 3 A fuse.

To what minimum resistance value can the rheostat be set without blowing the fuse? Assume a lamp resistance of 20 ohms.

Reference no: EM131150299

Questions Cloud

How does collaboration affect student performance : How does your district encourage and maintain a collaborative environment? How does collaboration affect student performance? Support your response.
How much voltage does the source produce : Four amperes of current are measured through a 24 resistor connected across a voltage source. - How much voltage does the source produce?
Explains the reason behind people noticing akers : Alicia Akers works as a marketing executive. She always talks in a high pitch and often draws a lot of attention wherever she is. Which of the following statements best explains the reason behind people noticing Akers
Determine the largest couple m : The curved bar shown has a circular cross section of 32-mm diameter. Determine the largest couple M that can be applied to the bar about a horizontal axis if the maximum stress is not to exceed 60 MPa.
To what minimum resistance value can the rheostat : To what minimum resistance value can the rheostat be set without blowing the fuse?-  Assume a lamp resistance of 20 ohms.
What is the increment between the voltages : A flash type 5 bit ADC has a reference voltage of 10v.- what is the increment between the voltages applied to the comparators.
What is the format or type of source : What is purpose of the source, review article, original research? What topics are covered? This is generally 1 -3 sentences that summarize the author's main point. For more help, see this link on paraphrasing sources.
Examine the process of policy argument development : Analyze the historical context, basic concepts, strategies, and / or models of public policy. Examine the nature, characteristics, models, and / or methods pertinent to the structuring of policy problems.
Determine the largest permissible value of p for the beam : Determine the largest permissible value of P for the beam and loading shown, knowing that the allowable normal stress is +8 ksi in tension and -18 ksi in compression.

Reviews

Write a Review

Electrical Engineering Questions & Answers

  No3show that the current through two transistors in

no3show that the current through two transistors in series is equal to the current through a single transistor of

  Find the sets a-b and c that corresponds to the events

Three friends (Al,Bob and Chris) put their names in a hat and each draws a name from the hat.(Assume Al picks first, then Bob,then Chris). Find the sample space. Find the sets A,B,and C that corresponds to the events "Al draws his own name".

  Determine the transfer function and difference equation

Use MATLAB to plot the magnitude and phase frequency responses.

  Determine number of data points used by the fft algorithm

It requires the frequency resolution to be less than 0.5 Hz. Determine the number of data points used by the FFT algorithm and actual frequency resolution in Hz, assuming that the data samples are available for selecting the number of data points.

  Provide example of resistor de-rating curve from manufacture

Identify and describe three different ways to manufacture resistors. These variations can be "form factor" or the technique used to establish the resistance. Provide an example of a resistor de-rating curve from a manufacturer

  Why the complements of the inputs are not available

Draw the logic diagram for the following Boolean expressions. The diagram should correspond exactly to the equation. Assume that the complements of the inputs are not available. a.) XYZ+X'Y'+X'Y'

  Determine the efficiency of a high frequency induction

determine the efficiency of a high frequency induction furnace which takes 10 minutes to melt 1.815 kg of aluminium the input of the furnace being 5 KW and the initial temperature 15 deg.

  Draw the equilibrium energy band diagram for this junction

A silicon step junction maintained at room temperature is doped such that EF = EV - 2kT on the p-side and EF = EC - EG/4 on the n-side. (a) Draw the equilibrium energy band diagram for this junction.

  I=0.5ma,b=100,va=100v find rin, avo, ro

I=0.5mA,B=100,Va=100V find Rin, Avo, Ro. Then Rin raised by factor of 5 by changing I, what is I, Avo, Ro. Now amp is fed with signal source with Rsig=5K and connected RL=100K find Vo/Vsig

  Show that the total stored energy is constant with time

Find i(t), vL(t), v(t), the energy stored in the capacitance, the energy stored in the inductance, and the total stored energy for the circuit of Figure, given that vC(t) = 10 cos(1000t)V. (The argument of the cosine function is in radians.) Show ..

  Determine the resistance r that will lead to a resonant

a) Determine C that will lead to a resonant frequency of w0=10^8 rad/s. b) Determine the resistance R that will lead to a resonant Q of 100. c) Determine the resistance R that will lead to a resonant Q of 1. d) For parts b) and c), what is the fra..

  Define timing of output changes with ref to input changes

construct a simple SR latch using push-buttons for inputs and l.e.d.s for outputs. Describe the timing of output changes with reference to input changes. ON THE SAME PAGE, construct a simple clocked D-type clocked flip-flop, again using a push but..

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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