GROL Element 3 A
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
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show | An FET has high input impedance; a bipolar transistor has low input impedance.
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The product of the readings of an AC voltmeter and AC ammeter is called: | show 🗑
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Good conductors with minimum resistance have what type of electrons? | show 🗑
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Permeability is defined as: | show 🗑
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How would you calculate the total capacitance of three capacitors in parallel? | show 🗑
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show | Lenz’s law.
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How might you reduce the inductance of an antenna coil? | show 🗑
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What limits the maximum forward current in a junction diode? | show 🗑
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show | Effective (RMS) values of current.
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By what factor must the voltage of an AC circuit, as indicated on the scale of an AC voltmeter, be multiplied to obtain the peak voltage value? | show 🗑
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show | Silver, copper, aluminum, iron, and lead.
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What will produce a magnetic field? | show 🗑
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Halving the cross-sectional area of a conductor will: | show 🗑
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What is the relative dielectric constant for air? | show 🗑
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What are the two most commonly-used specifications for a junction diode? | show 🗑
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show | Sawtooth wave.
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show | A wave that abruptly changes back and forth between two voltage levels and stays at these levels for equal amounts of time.
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Which of the 4 groups of metals listed below are the best low-resistance conductors? | show 🗑
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show | LT = L1 + L2
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Skin effect is the phenomenon where: | show 🗑
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What is the purpose of a bypass capacitor? | show 🗑
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What is the peak voltage at a common household electrical outlet? | show 🗑
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What type of wave is made up of sine waves of the fundamental frequency and all the odd harmonics? | show 🗑
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What is the term used to express the amount of electrical energy stored in an electrostatic field? | show 🗑
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show | XL = 2πf L
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show | N-channel and P-channel.
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What is the basic unit of electrical power? | show 🗑
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What is the term used to identify an AC voltage that would cause the same heating in a resistor as a corresponding value of DC voltage? | show 🗑
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show | Mica.
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show | Capacitor.
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show | 117-V AC.
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What type of wave is made up of sine waves at the fundamental frequency and all the harmonics? | show 🗑
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What determines the strength of the magnetic field around a conductor? | show 🗑
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show | Multiply apparent power times the power factor.
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show | 0.9
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What is a sine wave? | show 🗑
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MOSFETs are manufactured with THIS protective device built into their gate to protect the device from static charges and excessive voltages: | show 🗑
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What happens to reactive power in a circuit that has both inductors and capacitors? | show 🗑
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show | A voltage that opposes the applied EMF.
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show | Reactive power.
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Which metal object may be least affected by galvanic corrosion when submerged in seawater? | show 🗑
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show | 360 degrees.
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What metal is usually employed as a sacrificial anode for corrosion control purposes? | show 🗑
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What is the easiest voltage amplitude to measure by viewing a pure sine wave signal on an oscilloscope? | show 🗑
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show | The load impedance equals the internal impedance of the source.
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The opposition to the creation of magnetic lines of force in a magnetic circuit is known as: | show 🗑
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Corrosion resulting from electric current flow between dissimilar metals is called: | show 🗑
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show | More voltage gain than a common collector.
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bjthomp2005
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