Shared Flashcard Set

Details

Electric Circuits
Physics 265 Electric Circuits Exam 4
17
Physics
Undergraduate 2
05/13/2015

Additional Physics Flashcards

 


 

Cards

Term
What is the expression for the voltage across a capacitor for a charging RC circuit?
Definition
V(C)=(Epsilon)(1-exp{-t/RC})
Term
How many Coulombs is 1.00 A*min (Amp per minute)?
Definition
60 Coulombs
Term
What are the units of the conductivity?
Definition
1/(Ohm)meter
Term
All other things being equal, current will be larger in a wire that has a larger value of __________.
Definition
conductivity.
Term
The potential difference across resistors in parallel is ___________.
Definition
the same.
Term
As more resistors are added in series with a power supply, the current from the power supply will __________.
Definition
decrease.
Term
A dielectric ____________ the capacitance of a capacitor.
Definition
increases.
Term
True or False: The units of N/C (Newtons per Coulomb) are equivalent to V/m (Volts per meter).
Definition
True.
Term
True or False: The electrons move in the opposite direction as the electric current.
Definition
True
Term
True or False: The terminal voltage from a battery is always equal to or less than the Emf of the battery.
Definition
True.
Term
What is the expression for the charge across a discharging RC circuit?
Definition
Q = Q(0)exp{-t/RC}
Term
What are the units of resistivity?
Definition
(Ohm)meter
Term
The current through resistors in series is ________.
Definition
the same.
Term
As more resistors are added in parallel with a power supply the current from the power supply will ___________.
Definition
increase.
Term
When a charged particle moves parallel to the direction for a uniform magnetic field, the particle traveles in a ___________.
Definition
straight line.
Term
True or False: The conductivity of a material will be lower, if the material's temperature is lower.
Definition
False.
Term
True or False: The North pole of the Earth is actually the South pole of a bar magnet.
Definition
True.
Supporting users have an ad free experience!