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Electrostatics & Circuits - Statistics
General Stats
- This quiz has been taken 20 times
- The average score is 19 of 49
Answer Stats
| Hint | Answer | % Correct |
|---|---|---|
| Balloons and the materials they are rubbed with... (attract/repel) | attract | 100%
|
| Balloons rubbed with different materials... (attract/repel) | attract | 100%
|
| Balloons rubbed with the same materials... (attract/repel) | repel | 100%
|
| These effects are stronger when the objects are... (closer/further) | closer | 94%
|
| Objects acquire electric _____ after rubbing | charge | 88%
|
| A material that allows charges to move around freely is called a(n) | conductor | 69%
|
| A material through which charges will not move easily is called a(n) | insulator | 63%
|
| Electrons can transfer between objects, but ____ can't. | protons | 63%
|
| Roughly type out how resistors add with parallel circuits. | 1/RT = 1/R1 + 1/R2... | 44%
|
| Any metal, human body, water & humid air are examples of... | conductors | 44%
|
| Electric charge symbol is q, and units are the ______, represented by (C). | coulomb | 44%
|
| To find the total force on any single charge, you simply apply ______'s Law one by one for each of the other charges present, then add them! | Coulomb | 44%
|
| Glass, wood, plastic, rubber, dry air, etc. are examples of... | insulators | 44%
|
| Series circuits have (one/many) current(s). | one (IT=I1=I2) | 44%
|
| Parallel circuits have (one/many) voltage drop(s). | one (VT=V1=V2) | 44%
|
| A neutral object can acquire charge through touch with a charged object is called charging by _______, resulting in same-charged objects. | conduction | 38%
|
| the actual “substance” that is flowing through the wires of the circuit (electrons!) | Current | 38%
|
| r is the _____ between the two charges. | distance | 38%
|
| Kirchhoff’s Junction Rule: The total current into a junction _____ the total current out of the junction. | equals | 38%
|
| Parallel circuits have (one/many) current(s). | many (IT=I1+I2) | 38%
|
| Series circuits have (one/many) voltage drop(s). | many (VT=V1+V2) | 38%
|
| You get (more/less) current in branches that have less resistance. | more | 38%
|
| To draw a stronger charge, draw (more/less) arrows closer together. | more | 38%
|
| Units for the last answer | Ohms | 38%
|
| friction that impedes flow of current through the circuit (rocks in the river) | Resistance | 38%
|
| a property that pushes the current through the circuit (equivalent to gravity for a waterfall) | Voltage | 38%
|
| Units for the last answer | volts | 38%
|
| Charged objects exert electric ____ on each other | forces | 31%
|
| _________ is neutralizing a charged object by connecting it with the Earth. | Grounding | 31%
|
| A neutral object can acquire charge without touch near a charged object is called charging by ______, resulting in opposite-charged objects. | induction | 31%
|
| When drawing field lines, a positive field goes (towards/out from) the source. | out from | 31%
|
| Current in Parallel Circuits only spilt evenly if the resistance is the ____. | same | 31%
|
| Negative fields go (towards/out from) the source. | towards | 31%
|
| Units for the last answer | Amps | 25%
|
| When ______ get really close, the force between them gets really, really large! | charges | 25%
|
| Charging by _____ is the official term for transferring electrons between two objects through rubbing. | friction | 25%
|
| To deal with Series-Parallel circuits, you combine both parallel resistors into one, so it can be one side of a ____ circuit, then you solve as a series and use V = IR to find what you want | series | 25%
|
| _____ electrons are held together tightly in insulators, but move freely in conductors. | Valence | 25%
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| Remember to add ______ because force is involved | direction | 19%
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| Ohm's Law | V = IR | 19%
|
| Coulomb's force law is represented by F = k q1 q2 / r^2. What is k? | 9*10^9 | 13%
|
| Q is the _____ value of the charges involved. | absolute | 13%
|
| Charge is _______. | conserved | 13%
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| Charged and neutral objects can attract by _______ a charge on the neutral object. (Because electrons move freely in conductors, the attraction to the conductor is stronger) | inducing | 13%
|
| Add vectors tip to ___. | tail | 13%
|
| Gravity and Weak Nuclear are weaker fundamental forces, while __________ and strong nuclear are stronger fundamental forces. | electromagnetism | 6%
|
| This substance holds electrons well. (Given they both start out as neutral, between it and a balloon, all the electrons from the balloon will move to this, leaving the balloon positive.) | plastic | 6%
|
| Roughly type out how resistors add with series circuits. | RT=R1+R2... | 6%
|
| Determine the force on the electron (-1.6*10^-19 C) due to the proton (1.6*10^-19 C) in the hydrogen atom (shown below) (I can't get the diagram in here so r is 10^-10 m) Include units and direction in your answer (using "to the") | 2.3*10^-8 N to the left | 0%
|
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