Electrodynamics (Electricity)
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| show | The study of electrons at rest
🗑
|
||||
| show | Electrons in motion (current flow)
🗑
|
||||
| show | Gain or loss of electrons from matter.
🗑
|
||||
| Three types of electrification. | show 🗑
|
||||
| Define friction and state whether or not it confers the same or opposite charge. | show 🗑
|
||||
| show | touch, same charge
🗑
|
||||
| Define induction and whether or not it confers the same or opposite charge. | show 🗑
|
||||
| What is a coulomb? | show 🗑
|
||||
| show | 1 C = 6.3 x 10^18 electric charges
🗑
|
||||
| show | Electrification is a gain/loss by matter whereas ionization is a gain/loss by an atom.
🗑
|
||||
| show | attract, repel
🗑
|
||||
| Finish this law Electrostatic force is _____ _____ to the product of the electrostatic charges and ______ proportional to the square of the _______ between them | show 🗑
|
||||
| What is the previous law also known as? | show 🗑
|
||||
| show | the e- are distributed evenly within or outside the object.
🗑
|
||||
| show | along the sharpest curve of the surface.
🗑
|
||||
| show | Current
🗑
|
||||
| What is the unit of measurement of Current? | show 🗑
|
||||
| show | Pathway for current to flow (has to be closed to flow)
🗑
|
||||
| What do we use to set our tube current? | show 🗑
|
||||
| show | where you have an excess of electrons at one end and deficiency at the other end
🗑
|
||||
| What is the unit of measurement for potential difference? | show 🗑
|
||||
| What do we use to set our potential difference within the tube? | show 🗑
|
||||
| Name four states of matter. | show 🗑
|
||||
| show | silicon, germanium, arcelin
🗑
|
||||
| show | insulator (rubber, glass, non-sap wood)
🗑
|
||||
| No resistance, allows free flow of current without potential difference. Cold temps. required. Which state of matter is being described? | show 🗑
|
||||
| show | conductor
🗑
|
||||
| show | niobium, titanium
🗑
|
||||
| show | Circuitry
🗑
|
||||
| show | open and closed
🗑
|
||||
| show | open circuit
🗑
|
||||
| show | battery, dynamo, solar, atomic, geothermal
🗑
|
||||
| Which source converts mechanical energy into electric energy? | show 🗑
|
||||
| Source that converts chemical energy into electrical energy. | show 🗑
|
||||
| show | vacuum, gas, ionic solutions,metallic conductor
🗑
|
||||
| show | opposition to current flow
🗑
|
||||
| show | ohm
🗑
|
||||
| what four factors determine resistance? | show 🗑
|
||||
| What material would be considered an insulator or ground? | show 🗑
|
||||
| show | directlonger the length, more resistance
🗑
|
||||
| show | indirectsmaller the diameter, more resistance
🗑
|
||||
| Temperature and resistance have a/an ____ relationship. | show 🗑
|
||||
| Name some components of a circuit. | show 🗑
|
||||
| show | capacitor
🗑
|
||||
| What is the unit of measurement for the capacitor? | show 🗑
|
||||
| These two components of the ciurcuit measures amperage and voltage. | show 🗑
|
||||
| This component of the circuit controls mA. | show 🗑
|
||||
| show | autotransformer
🗑
|
||||
| show | primary (low voltage) and secondary (high voltage)
🗑
|
||||
| Opens/closes main circuit and is located on the primary side of the circuit | show 🗑
|
||||
| show | tube and rectifiers
🗑
|
||||
| show | Rectifiers
🗑
|
||||
| step-up or high voltage transformers | show 🗑
|
||||
| show | 3-5 amps or 6-10 volts; .5-5 mA or 6-10 volts
🗑
|
||||
| show | turns the rotor on
🗑
|
||||
| Name the two types of circuits? | show 🗑
|
||||
| show | all elements are connected in line along the same conductor.
🗑
|
||||
| show | contains elements that bridge conductors
🗑
|
||||
| Ammeters always connected in ____ circuit while voltmeters are always connected in _____ circuit. | show 🗑
|
||||
| show | If one section of the circuit does not work the rest of the circuit will still function
🗑
|
||||
| show | V= IR
🗑
|
||||
| Solve this problem.V (voltage) = 220 v ; I (amperage) = x ; R (resistance) = 10 | show 🗑
|
||||
| Direct current | show 🗑
|
||||
| Electrons alternate in different directions like sine waves. | show 🗑
|
||||
| Wavelength | show 🗑
|
||||
| show | angstroms
🗑
|
||||
| show | number of wavelengths
🗑
|
||||
| ______ is the unit of measurement of frequency. | show 🗑
|
||||
| Height of a wave. | show 🗑
|
||||
| Rate of doing work. | show 🗑
|
||||
| What is the unit of measurement for power? | show 🗑
|
||||
| What formula is used to determine total power? | show 🗑
|
||||
| Solve this problem. I = 120 ; V= 1.5; what is the total power? | show 🗑
|
||||
| show | Power loss
🗑
|
||||
| What formula is used to determine power loss? | show 🗑
|
||||
| show | Ohm's law - V=IRPower - P=IVPower loss - P=I^(2)RTotal resistance in a parallel circuit - 1/Rr = 1/r1 + 1/r2 + 1/r3
🗑
|
||||
| show | Electrification
🗑
|
||||
| show | Static electricity is the study of electrons at rest. Electrodynamics is current flow (charges in motion)
🗑
|
||||
| show | same
🗑
|
||||
| show | same
🗑
|
||||
| Induction causes a/the _____ charge to be conferred to an uncharged body coming into the field of a charged body. | show 🗑
|
||||
| show | insulator - rubberconductor - aluminumsemiconductor - silicon
🗑
|
||||
| show | coulumb
🗑
|
||||
| show | excess of electrons at one end and a deficiency at the other end unit: voltage
🗑
|
||||
| show | flow of electrons within tube unit: mA
🗑
|
||||
| show | flow of electrons to the filament unit: amps
🗑
|
||||
| show | opposition to current flowunit: ohms
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
sr4095
Popular Radiology sets