High School Physics › Resistivity
Which Resistors are connected in parallel?
The resistivity of most common metals __________________ .
What is the diameter of a length of tungsten wire whose resistance is
ohms?
Which resistor has the greatest current going through it?
Assume all the resistors are equal.
What is the total resistance of a parallel circuit with resistors of ,
, and
?
How does adding resistors in parallel affect the overall current of the circuit?
Two aluminum wires have the same resistance. If one has twice the length of the other, what is the ratio of the diameter of the longer wire to the diameter of the shorter wire?
When current in a circuit crosses a resistor, energy is lost. What form does this lost energy most commonly take?
Ten resistors, each with resistance, are set up in series. What is their equivalent resistance?
You have a long,
diameter copper wire that has an electric current running through it. Which of the following would decrease the wire's overall resistivity?