What is Length and area of wire and resistivity of material
100
The relationship between Current and Voltage, if resistance is held constant.
What is Direct relationship. As one goes up, the other goes up
100
The unit of Potential
What is a Volt
100
Electric field lines always point from _____ to ______
What is Positive to negative
100
Of these three, this net charge CAN be found on an object:
6.25 x 10 -18 C
3.20 x 10 - 19 C
2.4 x 10 - 19 C
What is 2.4 x 10 -19 C
200
The radius of my wire doubles, what happens to the resistance of the wire?
What is R becomes R/4
200
A 0.10 A current is measured during a lab. If the circuit includes a 12 V power source, what is the resistance?
What is 120 Ohms
200
The magnitude of potential is based entirely on the properties of this object.
What is Source Object.
200
The definition of a field
What is a map around a source object that tells us what direction a test object will move if placed in the field.
200
The charge of an elementary charge
What is 1.6 x 10 ^-19 C (plus or minus)
300
A lightbulb has a constant potential difference of 120 V. As the lightbulb heats up, what happens to the resistance of the bulb and the current through the circuit?
What is Resistance goes up and current goes down.
300
The definition of a circuit
What is a closed loop of conductors that contains a power source
300
An electron is accelerated from rest with a potential difference of 200 V. What is the work done on the electron?
What is 3.2 x 10 - 17 C
300
A proton experiences a force of 1.0 x 10 - 15 N. What is the magnitude of the Electric Field?
What is 6.3 x 10^3 N/C
300
The electrostatic force equation
What is F = kq1q2/r^2
400
The ratio of resistivities of Copper to Tungsten
What is Tungsten is 3.25 times more resistance or copper is 0.307 times resistant
400
A Graph has Current on the X axis and Potential on the Y axis. This is the slope of that graph.
What is What is resistance
400
What is the energy gained by a helium atom (+2e) when it moves across a potential difference of 5000 V. (Answer only accepted in eV)
What is 10000 eV
400
A charged particle is sitting in an Electric field with magnitude E. If the force triples, what has happened to the magnitude of the E field, in terms of E
What is E becomes 3E
400
A positively charged comb comes near hear, which is attracted to the comb. What is the charge of the hair?
What is Negative OR neutral.
500
What is the resistance of a 10m long gold wire that has a cross sectional area of 1.5 x 10-6 m^2?
What is 16 .26 Ohms
500
a 12 V power source is connected in a circuit that has a resistance of 2 Ohms. This is the current.
What is 6 Amps
500
The definition of an equipotential line.
What is lines that connect points in a field with equal potential. Lines are perpendicular to field lines and it requires no energy to move along an equipotential line.
500
The drawing of an E field around 2 positive charges
What is See Board.
500
Two stationary charges interact via the electrostatic force and have a magnitude of force of F. If q1 is doubled and the distance between them is doubled, what is the new Force in terms of F.