what is the resistivity in ohm/cm for 1M of copper sulphate solution?
what is the resistivity in ohm/cm for 1M of copper sulphate solution?
Semiconductor is doped with donor impurities and has the resistivity 0.03 Ohm*cm. The donor concentration ND = 7.5 E16 cm^-3. What is the electron mobility in the material? [unit:m*m/(V*s)]
Semiconductor is doped with donor impurities and has the resistivity 0.03 Ohm*cm. The donor concentration ND = 7.5 E16 cm^-3. What is the electron mobility in the material? [unit:m*m/(V*s)]
what kind of reaction does this make copper(II) sulphate + water --> copper hydroxide + sulphuric acid?
A 1M aqueous solution of copper(II) nitrate is electrolyzed. What are the predicted products at the anode and cathode? NO2 gas at the anode; copper metal at the cathode NO2 gas at the anode; H2 gas at the cathode N2 gas at the anode; copper metal at the cathode O2 gas at the anode; copper metal at the cathode O2 gas at the anode; H2 gas at the cathode
A 1M aqueous solution of copper(II) nitrate is electrolyzed. What are the predicted products at the anode and cathode? NO2 gas at the anode; copper metal at the cathode NO2 gas at the anode; H2 gas at the cathode N2 gas at the anode; copper metal at the cathode O2 gas at the anode; copper metal at the cathode O2 gas at the anode; H2 gas at the cathode
The units of resistivity are: a. ohm b. ohm-meter c. ohm/meter d. ohm/meter2 e. (ohm/meter)−1
At what temperature will aluminum have a resistivity that is three times the resistivity of copper at room temperature? (Assume room temperature is 20 degree C.) (b) At this temperature, an aluminum wire and a copper wire of equal length are found to have the same resistance. What is the ratio of their radii? A physics student has a single-occupancy dorm room. The student has a small refrigerator that
2. If 10.00 g of magnesium is reacted with 95.75 g of copper (II) sulphate, magnesium sulphate and copper are formed. a. Which reactant is in excess? b. Calculate the mass of copper formed.
A solenoid 10 cm in diameter and 630 cm long is made from copper wire of diameter 0.050 cm, with very thin insulation. The wire is wound onto a cardboard tube to make a solenoid. (a) Determine the resistance in the wire. You may take the resistivity of copper to be 1.68 times 10^-8 Ohm m. (b) The number of turns in the wire is ten. Find the current necessary to produce a magnetic field of strength 1.5T. (c) How...
If 54.4 cm of copper wire (diameter = 0.869 mm, resistivity = 1.69 × 10-8Ω·m) is formed into a circular loop and placed perpendicular to a uniform magnetic field that is increasing at the constant rate of 9.52 mT/s, at what rate is thermal energy generated in the loop?