« previous next »

Author Question: A 25-m wire of diameter 0.30 mm draws 0.499 A when connected across a 3.0-V potential difference. ... (Read 87 times)

MirandaLo

  • Hero Member
  • *****
  • Posts: 538
on: Jul 29, 2018
A 25-m wire of diameter 0.30 mm draws 0.499 A when connected across a 3.0-V potential difference.
  (a) What is the resistance of the wire?
  (b) What is the resistivity of the material from which the wire is made?
 
  What will be an ideal response?

Question 2

An FM radio station broadcasts at 96.7 MHz. What is the wavelength of the radio wave used for this broadcast? (c = 3.0  108 m/s)
 
  What will be an ideal response?


Kingjoffery

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 29, 2018
Answer to Question 1

(a) 6.0  (b) 1.7  10-8   m

Answer to Question 2

3.1 m


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Water Potential, Solute Potential, and Pressure Potentia Water Potential, Solute Potential, and Pressure Potentia
Membrane potential of muscle cell Membrane potential of muscle cell
The downward movement of the piston draws the air–fuel mixture into the cylinder through the ... The downward movement of the piston draws the air–fuel mixture into the cylinder through the ...
Typical engine analyzer hookup that includes a scope display. (1) Coil wire on top of the ... Typical engine analyzer hookup that includes a scope display. (1) Coil wire on top of the ...
A meter lead connected to a T-pin that was gently pushed along the signal wire of the TP sensor ... A meter lead connected to a T-pin that was gently pushed along the signal wire of the TP sensor ...
A reverse-biased silicon diode is connected in series with a 12 V source and a resistor.The ... A reverse-biased silicon diode is connected in series with a 12 V source and a resistor.The ...
Video: Cardiac Cycle (Part 1 of 4)

For a complete list of videos, visit our video library