The Beginning
Materials which oppose the flow of electrons are referred to as what?
Insulators.
The typical use of a resistor in a circuit is to limit the amount of what?
Current flow.
The time required for a sine wave to complete one full cycle is called a/an?
Period.
When a conductor is moved through a magnetic field, an _________ is induced in the conductor.
Electro-motive Force (EMF)
The _______ is a three-terminal device primarily used to amplify signals and control current within a circuit.
Potentiometer.
A buildup of an electrical charge on the surface of an object is known as what?
Static Electricity.
Wire wound resistors typically control large amounts of current and have high ________ ratings.
Voltage.
The waveform that reaches its maximum or minimum value first is said to ______ the other waveform.
Lead.
The fixed mica capacitor is made of metal foil plates that are separated by sheets of mica, which form the what?
Dielectric.
In a forward biased PN junction or diode, the negative voltage source is connected to the ________ material.
N-Type.
Electrons moving through a conductor creates a ______ ________ around a conductor.
Magnetic field.
The most common source of thermal electricity found in the aviation industry comes from what?
Thermocouples.
The ______ _______ is the largest instantaneous value.
Peak value.
When capacitors are connected in parallel, the effective plate area increases, and the total capacitance is the _____ of the individual capacitances.
Sum.
A half-wave rectifier permits current to pass through when alternating current is on the _______ alternation(s) of each cycle.
Positive.
__________ is a measurement of a rate at which a charge flows though a conductor.
Current.
The percentage variation between the marked value and the actual value of a resistor is known as the ______________ of a resistor.
Tolerance.
Most Aircraft using a 24-volt DC system have special equipment that requires a certain amount of ________ AC current.
400 hz.
Variable capacitors are mostly used in radio tuning circuits, and they are sometimes called what?
Tuning capacitors.
What two connections of a bipolar transistor must be forward biased in order for it to operate correctly?
Base and Emitter.
Materials such as soft iron core and other ferrous metals are said to have a high ___________, the measure of ease with which magnetic flux can penetrate a material.
Permeability.
The resistance of a metallic conductor is dependent on what 4 things?
1. Material
2. Length
3. Cross sectional area
4. Temperature
An _______ of voltage or current is the induces voltage or current flowing at any instant during a cycle.
Instantaneous value.
When a capacitor charges or discharges through a resistance, a certain amount of time is required for a full charge or discharge. The rate of charging or discharging is determined by the ____ ________ of the circuit.
Time constant.
The basic idea of a multi-range ammeter is to make the meter usable over a wide range of voltages. In order to accomplish this, each range must utilize a different what?
Shunt resistance.