Download electrical current (amps)

(Mon) What is the one major change in electrical and
electronic devices that happened because transistors
replaced large vacuum tubes (5 min / 5 pts)
(Mon) What is the one major change in electrical and
electronic devices that happened because transistors
replaced large vacuum tubes (5 min / 5 pts)
Modern radios, calculators and
computers are much smaller
(Tue) Most metals and some liquids are good at
conducting electrical current. Plasmas also can conduct
electricity. Why can a plasma conduct electricity?
(5 min, 4 pts)
(Tue) Most metals and some liquids are good at
conducting electrical current. Plasmas also can conduct
electricity. Why can a plasma conduct electricity?
(5 min, 4 pts)
Plasmas are made of positive ions and
free electrons that can easily conduct
electricity
(Wed) How can changing magnetic fields make electrical
currents in electrical conductors? (2 steps) (5 min, 4 pts)
N
S
(Wed) How can changing magnetic fields make electrical
currents in electrical conductors? (2 steps) (5 min, 4 pts)
N
S
Changing magnetic fields make electric fields
or voltages
Electric fields or voltages make
electrical currents in conductors
(Thu) If you wanted to measure an electrical potential
(voltage) and an electrical current (amps), what 2 pieces
of equipment would you use? (5 min / 4 pts)
(Thu) If you wanted to measure an electrical potential
(voltage) and an electrical current (amps), what 2 pieces
of equipment would you use? (5 min / 4 pts)
Voltage:
Voltmeter
Current:
Ammeter
(Fri) Entropy is a measure of disorder in a system. If
you had a glass of milk and a glass of soda and poured
them into a single larger glass, would the final mixture
have more or less order? Did the entropy of these two
liquids increase or decrease? (5 min / 4 pts)
(Fri) Entropy is a measure of disorder in a system. If
you had a glass of milk and a glass of soda and poured
them into a single larger glass, would the final mixture
have more or less order? Did the entropy of these two
liquids increase or decrease? (5 min / 4 pts)
Order:
Less order
Entropy:
Increases
End of Week Procedures
1. Add up all the points you got this week
2. Put the total number of points at the top of
your page (out of 21 points)
3. List any dates you were absent or tardy
(and why)
4. Make sure your name and period # is on
the top of the page
5. Turn in your papers