A motor has four leads out of it: two red and two black. The resistance between the red leads is 3 ohms. The resistance between the black leads is 5 ohms. The black leads are connected to the ____________________ winding.
Fill in the blank(s) with the appropriate word(s).
start
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If a transformer has 200 turns in the primary, 100 turns in the secondary, and 150VAC applied to the primary, the voltage across the secondary is _____.
a. 75VAC b. 90VAC c. 120VAC d. 140VAC
Calculate the solubility of magnesium carbonate, MgCO3, at 25oC in distilled water? Assume the solution acts as an ideal-fluid.
The solubility product constant is
What will be an ideal response?
SAE stands for Standard Agricultural Event
Indicate whether the statement is true or false
(a) Make the actual calculation for the Madelung, or attractive energy term, of the Born equation for the NaCl lattice using the cgs system. Give your answer in k?cal per mol and compare it with the value in Table 3.2.
(b) Also give your answer in joules per mol.