As loads are added in a parallel circuit, the total resistance of the circuit ____.
A. will increase
B. will decrease
C. will remain the same
D. cannot be determined
Answer: B
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Does soil sampling include three steps?
Indicate by YES (Y) or NO (N).
If the chromium-nickel content of a stainless steel is referred to as 25-12, then it contains ____.
A. 25 percent nickel and 12 percent chromium B. 75 percent chromium and 8 percent nickel C. 25 percent chromium and 12 percent nickel D. 75 percent nickel and 8 percent chromium
The proper order for repairing a system after identifying a leak in a brazed joint on the discharge line is to:
A) Recover the refrigerant, repair the leak, leak test the system, evacuate the system, charge the system with refrigerant. B) Recover the refrigerant, leak test the system, repair the leak, evacuate the system, charge the system with refrigerant. C) Charge the system with refrigerant, repair the leak, recover the refrigerant, leak test the system, evacuate the system. D) Leak test the system, repair the leak, recover the refrigerant, evacuate the system, charge the system with refrigerant.
An amplifier that is biased so that the output current flows for only half of the input cycle is operating as a ____ amplifier.
A. class A B. class AB C. class B D. class C