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- Compute the resistivity of aluminum wire 5mm in diameter and 5 m longQ5 Provide solution asapPlease assist with the following sub questions of question 1. a) The conductivity of a 0.05M solution of acetic acid at 18⁰C is 4.4×10-4 (ohms)-1cm-1. Limiting molar conductivity of acetic acid at the same temperature is 387 (Ohms)-1cm². Calculate the dissociation constant (Ka) of acetic acid? b) The resistivity of aluminum is 2.824×10-8 ohms.m. Calculate the potential drop across a piece of aluminum wire that is 2.0 mm in diameter and 1.00 m long. Assume current is 1.25 A. C) Calculate the conductance and conductivity of a metal if the resistivity of the metal is 2.824×10-8 ohms.m, with resistance of 9.0×10-3 ohms when current is 1.25 A.
- Knowing that an electroplating industry wants to coat a steel sheet with a layer of metallic Cu by an electrodeposition process, what is the time to deposit a 50 μm layer on a 10 cm2 plate applying a current density of 30 mA /cm2 if process efficiency is 75%.What will be the working equation that you need to be able to solve for the required area of a real continuous thickener. Describe how you will be able to get the limiting total flux concentration.A thin film of zinc is to be deposited on one side of a steel sheet. Determine the zinc film thickness per 1cm2 of steel sheet if 2 A current was used and the electrolytic deposition process was done for exactly 30 minutes at 25oC. The zinc solution has a concentration of 1 M and can be assumed to be constant throughout the process. pls explain the solution shown in the figure thoroughly or you can come up with your own thank you
- There is a series type ohmmeter, designed to operate on a 6 V battery. The galvanometer has an internal resistance of 2000 ohms and requires a current of 100 μA for full full scale deflection. The value of R1 is 49 k ohms. If the battery voltage has dropped to 5.9 V, determine the necessary value of R2 to zero the meter; b) According to the conditions indicated in the previous paragraph, an unknown resistance is connected to the meter giving a deflection of 60%. Calculate the value of the unknown resistance.A 2-meter copper conductor which has a cross-sectional area of 8 x 10 – 7 m2 has a potential energy difference of 6 volts between its ends. The resistivity of copper is 1.7 x 10 – 8 Ω-m. Find: a. The resistance of the conductor, and b. The current passing through it( asap in detail plz )