15. In figure 4-10, if the 10-ohm resistor is changed to 20-ohms, and Et is changed to 120-volts, find a. 12 amps b. 14 amps с. 18 amps d. 19.5 amps 16. In figure 4-10, if there is a break in the 10-ohm resistor causing an "open circuit" to occur in the branch, and the voltage is at 100 volts, what will the total current (It)? a. 10 amps b. 15 amps С. 20 amps d. 55 amps
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