Two light bulbs are wired in series and one bulb burns out (opens.) Technician A says that the other bulb will still work. Technician B says that the current will increase in the circuit because one electrical load (resistance) is no longer operating. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
D
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The recommended minimum polarization index for an AC motor is _____.
a. 1.0 b. 2.0 c. 3.0 d. 4.0
A substance that causes cancer is called a ____________________
Fill in the blank(s) with correct word
In a basic electric circuit with a steady potential, when resistance decreases:
A) Current increases. B) Current remains the same. C) Current decreases. D) The resistance has no effect on the current in an electric circuit.
Silicon wafers are used in the manufacture of integrated circuits. Of the wafers manufactured by a certain process, 10% have resistances below specification and 5% have resistances above specification.
a. What is the probability that the resistance of a randomly chosen wafer does not meet the specification? b. If a randomly chosen wafer has a resistance that does not meet the specification, what is the probability that it is too low?