When current passes through a coiled wire, a magnetic field builds up around the wire. This is called a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
electromagnet
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An RC filter has impedances Z1 = R1 =1k? and Z2 = 1/(j?oC) connected in series and an input voltage vIN(t)= 20 sin (2?fot) V with ?o=1,000 rad/s. The value of C that makes the amplitude of vOUT(t) equal to 1 V equals ____ (xx.x) µF.
Fill in the blank(s) with the appropriate word(s).
The ____ is a process by which the earth's atmosphere traps solar radiation causing a gradual increase in global temperatures.
A. Carbon Emissions Effect B. Global Warming Effect C. Greenhouse Effect D. Greenhouse Gas Omission Effect
Two technicians are discussing the need for the history of the vehicle. Technician A says that an accident could cause faults due to hidden damage. Technician B says that some faults could be related to a previous repair. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
To measure the load current flowing in a circuit, an ammeter is ____.
A. connected in parallel with the power source B. connected in parallel with the load C. connected in series with the load D. connected to a de-energized circuit