Graph the relationship between potential difference and current.
What is a direct relationship (straight diagonal line starting at the origin going up?
100
The units for current, electric potential and resistance in that order.
What is amp, volts and ohms?
100
The resistance of a 20 meter long tungsten rod with a cross sectional area of 1 x 10-4 meters ^2 at 20 C
What is 1.12 x 10 ^-2 ohms?
100
The potential energy associated with a charge due to the position in an electric field.
What is electric potential energy?
100
When does marking period 3 end.
Friday 4/22?
200
This will in increase the resistance if you decrease it.
What is cross-sectional area?
200
This is the resistance of a 900W toaster operating at 120 Volts
What is 16 ohms?
200
This is the metal wire with the highest resistance on the reference table
What is nichrome?
200
The work that must be performed against electric forces to move a charge between two points.
What is electric potential, potential difference or voltage?
200
The name of my hometown.
What is Minersville, PA?
300
Describe the relationship between current and resistance.
What is an indirect relationship?
300
This is the current of a 24 ohm resistor connected across a 6 V battery.
What is 0.25 A?
300
This is the resistivity of a platinum wire with a cross sectional area of 3.5 x 10^-6 m^2 with a resistance o .757 ohm at 20 C.
What is 1.06 x 10^-7 ohm meter?
300
the ability of a conductor to store energy in the form of electrically separated charges.
What is capacitance?
300
The current when a charge of 30 C passes through a 24 ohm resister in 6 seconds.
What is 5A?
400
This will increase the resistance without changing the type of wire
What is Length of the wire?
400
This is the voltage if the current is 2 A and the resistance is 5 ohms.
What is 10 V?
400
this is the resistance of a copper wire at 20 C with a radius of 1.0 x 10^3 m
What is 5.5 x 10^-2 ohm?
400
the rate at which electric charges pass through a given area.
What is electric current?
400
The unit for power and work in order
What is Watt and Joule?
500
If the resistivity is higher does that make it good for conducting electricity or bad and why.
What is bad, because the electrons are hitting the the particles in the wire?
500
This is the resistance of a 200 V circuit with 5 A of current running through it.
What is 40 ohms?
500
the wire with least resistance of the same length at diameer at 20 C either aluminium, gold, nichrome, tungsten
What is gold?
500
the opposition presented to electric current by a material or device
What is resistance?
500
A length of copper wire and a 1 meter long silver wire have the same cross sectional area and resistance at 20 C, calculate the length of the copper wire.