- P = I2R
- P = IE
- P = E2/R
- I = P/E
- None of the above
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Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it?
Answer: Option 3 Let'
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Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current?
Answer: Option 1 Let'
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When drain voltage equals the pinch-off-voltage, then drain current ___________ with the increase in drain voltage?
Answer: Option 3 Let'
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You should choose this mode if you don't know how long you won't use your computer but want to have the same desktop state when you resume?
Answer: Option 4 This option was designed for laptops and might not be available for all PCs. (For example, PCs with InstantGo don't have the hibernate option.) Hibernate uses less...
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If you know the current anywhere in a series circuit, you know the current everywhere in a series circuit.?
Answer: Option 1 Let'
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If A varies directly proportional to C and B also varies directly proportional to C, which one of the following is not correct ?
Answer: Option 2 $$\eqalign{ & {\text{A }}\alpha {\text{ C and B }}\alpha {\text{ C}} \cr & \Rightarrow {\text{A}} = {\text{kC and B}} = {\text{mC}} \cr & {\text{for some constants k and m}}{\text{.}} \cr &...
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Children are in pursuit of a dog whose leash has broken. James is directly behind the dog. Ruby is behind James. Rachel is behind Ruby. Max is ahead of the dog walking down the street in the opposite direction. As the children and dog pass, Max turns around and joins the pursuit. He runs in behind Ruby. James runs faster and is alongside the dog on the left. Ruby runs faster and is alongside the dog on the right. Which child is directly behind the dog?
Answer: Option 4 After all the switches were made,Max is directly behind the dog, James is alongside the dog on the left, Ruby is alongside the dog on the right,...
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One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor's statement?
Answer: Option 4 The most likely reason for the doctor's statement is that the person is infected by a virus.
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