Find the internal resistance of the dc power supply

Assignment Help Electrical Engineering
Reference no: EM13276998

A DC power supply is adjusted to give a no load output voltage of 15 volts with the AC line voltage of 115 volts rms. A full load current of 1A is drawn into the circuit and the output voltage drops to 14.89 volts. Find the internal resistance of the DC power supply. What is the ideal value?

Reference no: EM13276998

Questions Cloud

Find expression for the current-power and stored energy : The voltage across a 10-µF capacitor is given by v(t)=100sin(1000t). Find expression for the current, power, and stored energy. Sketch the waveforms to scale versus time.
Explain where this radio energy comes from : Our galaxy is not a radio galaxy, but it does emit radio energy. Explain where this radio energy comes from.
Write a formula for the power : A person has a near point of NP = 85 cm and a far point of FP = 210 cm. Write a formula for the power, P1, of the upper portion of the bifocals, in terms of the given quantities, that will enable the person to see distant objects clearly
Find the internal resistance of the function generator : A function generator is adjusted to give a 60 HZ sine wave with no-load (open-circuit) voltage of 3Vrms. When a 1k ohm load is place across the output terminals of the function generator, the output voltage drop to 8Vpp.
Find the internal resistance of the dc power supply : A DC power supply is adjusted to give a no load output voltage of 15 volts with the AC line voltage of 115 volts rms. A full load current of 1A is drawn into the circuit and the output voltage drops to 14.89 volts.
What is the coordinate of the center of mass of the rod : A rod has a linear density ? = 3x, where x is the distance along the rod, What is the coordinate of the center of mass of the rod
Describe the specific security concerns : Describe the specific security concerns or risks that your chosen operating system faces and how you plan to mitigate the risk that each one presents.
Calculate the electric field across the resistor : The voltage drop across a 1 cm long resistor is 10 V. a) Calculate the electric field across the resistor; b) Calculate the work done by the electric field when it pushes a single electron through the length of the resistor
Find the resultant magnetic force exerted by the long wire : Find the resultant magnetic force exerted by the long wire on the square current loop in the figure below if I1 = 8.72 A and I2 = 4.12 A

Reviews

Write a Review

Electrical Engineering Questions & Answers

  Determine what is the complex frequency of the signal

Your new assistant has measured the signal coming from a piece of test equipment, writing v(t) = Vxe(-2+j60)t, where Vx = 8-100V. (a) There is a missing term, what is it and how can you tell it's missing (b) What is the complex frequency of the si..

  Determine the line-to-line voltage at the load

3-phase line, which has an impedance of 2 + j4 per phase, feeds two balanced three-phase loads that are connected in parallel. One of the loads is Y-connected with an impedance of (20 + j40) per phase

  What is the differential output voltage

A differential amplifier stage has collector resistors of 5.1 Kohms each. If Ic1 = 1.35 mA and Ic2 = 1.29 mA, what is the differential output voltage.

  Determine the values for the period and duty cycle registers

A PWM is used in 8-bit mode to produce a signal with a 1 msec period and 60% duty cycle. Determine the value required for any pre-scaling, and the values for the period, and duty cycle registers. The E-clock is 24 MHz.

  What will be the last number the mummy will add

A mummy picks up a calculator and starts adding odd whole numbers together, in order: 1+3+5+... etc. What will be the last number the mummy will add that will make the sum on his calculator greater than 10,000

  Explain ideal job and goal of electrical engineer

Briefly explain your ideal job as electrical engineer? Why did you select this career? What goals do you have in this career? How do you plan to get these goals?

  Use a chain of flip-flop to implement a shifter register

Use a chain of flip-flop to implement a shifter register

  What might be an example of an input and an output

(1) What might be an example of an input and an output What are some simple examples of what constitutes the distinction between input into a program and output from the program (2) What type of arithmetic operations are supported in C++

  What is the data transmission rate

Suppose that data are stored on a 1.4-Mbyte floppy diskettes that weight 30 g each. Suppose that an airliner carries 10,000 kg of those floppies at a speed of 1000 km/h over a distance of 5000 km. What is the data transmission rate in bits per sec..

  Find electric field strength both inside nd outside cylinder

An infinitely long cylindrical dielectric of radius b contains charge within its volume of density ρv=aρ^2, where a is a constant. Find the electric field strength, E, both inside and outside the cylinder.

  Calculate the common mode rejection ratio-cmrr

A balanced transmission line picks up an undesired signal with a 5-mW level. After conversion to an unbalanced signal using a center-tapped transformer, the undesired signal is 0.011 uW. Calculate the common mode rejection ratio (CMRR).

  What information can be gathered from a line spectrum plot

Discuss what is meant by line spectra and what information can be gathered from a line spectrum plot.  Discuss the similarities and differences between the Fourier Transform and the Laplace Transform.

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