A series circuit has three resistors of 4 ohms each. The voltage drop across each resistor is 4 volts. Technician A says that the source voltage is 12 volts. Technician B says that the total resistance is 18 ohms. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A
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Which device would draw the most current?
A. 60W household light bulb supplied with 120V AC B. 60W truck low beam headlamp supplied with 12V C. An inductor with a resistance of 120 ohms supplied with 12V D. All of the above would draw the same amount of current
A(n) ____ is an ornamental molding or a combination of two or more moldings located at the top of an exterior wall just below a roof.
A. ridge B. eave C. valley D. cornice
Four resistors are connected to a 12-volt battery source in series. The values of the resistors are 10 ohms, 100 ohms, 330 ohms, and 470 ohms. Technician A says that the greatest voltage drop will occur across the 10-ohm resistor. Technician B says that the greatest voltage drop will occur across the 470 ohm resistor. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
If a wheel is statically balanced and then runs out when put on the machine, you should:
A) Discard the wheel B) Both C and D below C) Re-balanced by spreading the balance weights from the heavy point D) Use dynamic balancing if available