(a) Consider the Wheatstone Bridge shown in Fig. 2.130. Calculate va , vb , and (b) Rework part (a) if the ground is placed at a instead of o.
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Technician A says that a fully charged car battery produces 12.6 volts. Technician B says that on top post batteries, the positive terminal is smaller than the negative to help prevent connecting in reverse polarity. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Two production lines are used to pack sugar into 5 kg bags. Line 1 produces twice as many bags as does line 2. One percent of the bags from line 1 are defective in that they fail to meet a purity specification, while 3% of the bags from line 2 are defective. A bag is randomly chosen for inspection.
a. What is the probability that it came from line 1? b. What is the probability that it is defective? c. If the bag is defective, what is the probability that it came from line 1? d. If the bag is not defective, what is the probability that it came from line 1?
Scaffolding with wheels is called ____ scaffolding.
a. wheeled b. rolling c. mobile d. moveable
An important pruning goal is to maintain the plants' natural beauty
Indicate whether the statement is true or false