ZuoTi.Pro
Question

If a inductor coil (part of a mains transformer in a plug pack) has an average...

If a inductor coil (part of a mains transformer in a plug pack) has an average winding diameter of 10mm and the gauge of copper wire used has a resistance of 0.016ohms/m and the coil has 300 turns, calculate the dc resistance of the coil in ohms.

engineering   Electrical-Engineering   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

0 0
Add a comment
Know the answer?
Add Answer to:
If a inductor coil (part of a mains transformer in a plug pack) has an average...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • You want to design a transformer to increase the current on the outbound terminal by a...

    You want to design a transformer to increase the current on the outbound terminal by a factor of 10.2. The input winding has 2007 turns over a uniform magnetic ring and a resistance of 10 Ω. (a) How many windings are needed for its output? (b) If both windings are made of the same gauge wire, what is the resistance of the output coil? Ω (c) What is the power gain in the transformer?

  • a transformer is used to convert 1200V AC into 48V AC by having a secondary coil...

    a transformer is used to convert 1200V AC into 48V AC by having a secondary coil that has 35 turns. The resistance of the primary coil is 5 ohms a) What type of transformer is this? b) What is the current in the primary coils? c) How many turns are in the primary? d) What is the power tht is running in the transformer? e) What is the current in the secondary coil?

  • An 87 mH solenoid inductor is wound on a form 0.80 m in length and 0.10...

    An 87 mH solenoid inductor is wound on a form 0.80 m in length and 0.10 m in diameter. A coil is tightly wound around the solenoid at its center. the coil resistance is 6.1 ohms. the mutual inductance of the coil and solenoid is 30 micro H. At a given instant, the current in the solenoid is 980 mA, and is decreasing at the rate of 2.5 A/s the number of turns in the winding of the solenoid is...

  • 1. If 480 volts is applied to the primary winding of a transformer which has 300...

    1. If 480 volts is applied to the primary winding of a transformer which has 300 turns in the primary winding and 15 turns in the secondary winding, the secondary voltage will be A. 0.0417 volts. C. 56.8 volts B. 24 volts. D. 9600 volts. 2. A distribution transformer with a grain-orientented steel core is highly efficent because its A. exciting current is sufficiently high. B. flux direction is parallel to the stell-rolling direction C. permeability is increased due to...

  • 1.) A multipurpose transformer has a secondary coil with several points at which a voltage can...

    1.) A multipurpose transformer has a secondary coil with several points at which a voltage can be extracted, giving outputs of 5.60, 12.0, and 480 V. (a) The input voltage is 140 V to a primary coil of 300 turns. What are the numbers of turns in the parts of the secondary used to produce the output voltages? 5.60 V ________turns 12.0 V_________ turns 480 V ________turns (b) If the maximum input current is 5.50 A, what are the maximum...

  • An ideal step-down transformer has a primary coil of 370 turns and a secondary coil of...

    An ideal step-down transformer has a primary coil of 370 turns and a secondary coil of 22 turns. Its primary coil is plugged into an outlet with 115 V, from which it draws a current of 0.29 A. (a) What is the voltage in the secondary coil? (b) Calculate the current in the secondary coil? (c) Assuming that the transformer secondary is driving a resistive load, calculate the average power dissipated in the resistor.

  • A transformer has 490 turns in the primary coil and 140 in the secondary coil. Part...

    A transformer has 490 turns in the primary coil and 140 in the secondary coil. Part A What kind of transformer is this? A. step-up B. step-down Part B By what factor does it change the voltage? Assume 100% efficiency. Part C By what factor does it change the current?

  • An ideal step-down transformer has a primary coil of 400 turns and a secondary coil of...

    An ideal step-down transformer has a primary coil of 400 turns and a secondary coil of 25 turns. Its primary coil is plugged into an outlet with 110 V(AC), from which it draws an rms current of 0.83 A. 1.)What is the voltage in the secondary coil? 2.)Calculate the rms current in the secondary coil. 3.)Assuming that the transformer secondary is driving a resistive load, calculate the average power dissipated in the resistor.

  • 1. A 2-H INDUCTOR DRIVES A CURRENT OF 0.5 AMP WHEN THE CIRCUIT IS OPENED THE...

    1. A 2-H INDUCTOR DRIVES A CURRENT OF 0.5 AMP WHEN THE CIRCUIT IS OPENED THE CURRENT DISAPPEARS IN 0.01 SEC, CALCULATE THE EMF. 2. CALCULATE THE MAGNETIC FLOW THROUGH A COIL OF 7.2 Mh WITH 300 ROLLS WHEN i=10 mAmp 3. THE CURRENT IN A 0.02-H INDUCTOR VARY ACCORDING TO I-3t 4t CALCULATE a. Emf at t=1 sec and t = 5 sec b. So that the value of t the Emf induced is zero 4. A SOLENOID HAS...

  • 16. To generate a uniform 2T magnetic field for an MRI machine with a coil of...

    16. To generate a uniform 2T magnetic field for an MRI machine with a coil of diameter 50 cm and 10 000 turns over the 1 m distance of the coil, (a) Solve for the current through the coil needed to create this large magnetic field. 2 (b) Approximate the total length of wire needed to produce 10 000 turns of this radius. /2 (c) If we need to keep the resistive power emitted by this coil under 1000 W...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT