A cylindrical wire of length 2.8 meter and radius of 1.03 mm carries a current of 3.5 A. The voltage across the ends is 0.032 V. Determine the material it is made of.

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?

Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above