1. AC Circuit - Since peak of current has same magnitude, peak is ____ or ____.
2. AC Circuit - Current equals peak current times sine function related to the
3. AC Circuit - You can take power expressions for DC circuit and modify it by adding ____ to get power expression for AC Circuits
4. AC Circuit - What does EMF =
5. What is unit of measurement used for inductance?
6. Maximum Current =
7. What constant is tau
8. Tau =
9. Current in inductors
10. Current in resistors
11. Current in capacitors leads voltage
12. Ampères Law - Current creates a magnetic field.
13. Ampères Law - The magnetic field gets stronger the further you are from the wire
14. The angle between current and magnetic field is
15. Mu 0 is sometimes called
16. The cos0 is 1
17. Integral x ds in Ampères Law is
18. The force from the magnetic field from the wire on the left will be pointing to the ____
19. The force from the magnetic field from the wire on the right will be pointing to the ____
20. Ampères Law - “n” means
21. Ampères Law - The horizontal part of the loop are
22. Ampères Law - The vertical part of the loop are
23. Astrophysics - Velocity =
24. Collisions - Net force = d (____) / dt
25. Collisions - Calculating the derivative implies to
26. DC Resistors and Batteries - Batteries convert chemical energy to electrical energy
27. Getting a value less than ideal EMF potential =
28. Power = Current x Voltage
29. In series, the current is the same for all resistors, and the voltage drop changes
30. In parallel, the voltage is the same for all resistors, and the current through each changes
31. For resistors in series, R equivalent =
32. Limits are based on the idea that if you have an equation on a graph, you can predict what it will look like at one point by knowing the ____ points.
33. An interval is just a ____ on a graph. It is the space between ____ points on the ____ axis.
34. Velocity is the derivative of
35. Acceleration is the derivative of
36. ‘ = Prime If f(t) = t^2, Then f’(t) = Use power rule to solve
37. The derivative of sin is
38. The derivative of -cos(x) is
39. Electric Charge - A positive rod comes in contact with a rod that is positive and negative (neutral), what happens?
40. Grounding a rod lets ____ charge get sucked into the earth.
41. Unit of measurement to find force of charged particles
42. q =
43. To calculate the number of Newtons, we need to first measure charge (q) in units called
44. Protons are negative
45. Electric Charge - k =
46. Electric current = Total amount of ____ passing through a wire over a period of time.
47. Current can be measured in Coulombs per second.
48. 1C/1s = 1A
49. 1 Ohm of resistance lets 1 Volt of potential generate 1 ____ of ____
50. V =
51. I =
52. Power =
53. P =
54. An electric field is a measurable effect generated by any ____ object.
55. Engines - QH =
56. Is an engine more efficient or less efficient if it produces more exhaust heat?
57. An engines input temperature =
58. Engines - Symbol for exhaust
59. Engines - Work =
60. Efficiency = 1 - ____ / ____
61. An ideal engine would be irreversible to sustain efficiency.
62. Coefficient Of Performance (COP) =
63. Fluids - Anything that flows, wether it is a liquid or gas, is just a fluid.
64. Fluids - The symbol for density is
65. Density =
66. Pressure = Force / ____
67. Pascals =
68. Buoyant force has to do with water pressure at bottom being greater than water pressure on top.
69. A fluid flowing fast has more pressure than a fluid flowing slow.
70. Kinetic energy = Half of an objects mass times its ____ squared.
71. Potential energy = Mass x Small gravity x ____.
72. Kinetic friction = coefficient of ____ x normal force.
73. Coefficient of static friction measures the ____ between any two objects.
74. Geometric Optics - The angle of incidence (above water) is ____ than angle of refraction (in the water)
75. In geometric optics , n =
76. Geometric Optics - n =
77. Magnification = height of image / ____.
78. Electric generators are the opposite of electric motors.
79. Frequency of current is measured in
80. Transformers are used to get electricity from a power plant to your house.
81. Transformers work with DC power.
82. Transformers only work with AC power.
83. When electricity is transmitted at higher voltages, much more power is wasted as heat.
84. An EMF is induced in the transformers first coil.
85. Magnetic flux is a measure of the magnetic field running through a loop of wire.
86. Magnetic flux is measured in
87. Lenz Law states that the ____ generated by an induced current will be in opposite direction of the change in magnetic flux
88. Kinetic Energy - What letter represents Boltzmann constant
89. Kinetic Energy - R =
90. Kinetic Energy - NA =
91. Light Waves - Huygens principle states that you can predict a wave’s future position by knowing the current position. In the study of Light Waves, r =
92. Distance travel (r) = v times
93. Light Waves - Intensity = Energy / Time / Area Which also equals
94. Intensity is proportional to the ____ squared.
95. With magnets, opposites don’t attract.
96. Cobalt, Nickel and Iron are attracted to magnets.
97. Magnetic field lines point from North Pole to South Pole, similar to how electric field lines point from positive to negative charge.
98. You can isolate the North and South Pole of a magnet by cutting it in half.
99. The direction of the force from a magnetic field on a current running through a wire will be ____ to both the ____ and the current.
100. What does earths magnetic field do to the charged particles coming from the sun?
101. Which is the first of Maxwell’s Equations?
102. Which is the second of Maxwell’s Equations?
103. Which is the third of Maxwell’s Equations?
104. Which is the fourth of Maxwell’s Equations?
105. What relates electric charge to the physical effects of electric fields?
106. In electromagnetism, what does “v” represent?
107. Wave speed = Electric field magnitude / ____.
108. Every electromagnetic wave travels at the speed of light, denoted by
109. Visible light is a small part of the electromagnetic spectrum.
110. You can find frequency if you know the wavelength.
111. Speed of light =
112. Velocity = Change in position / Change in ____.
113. Acceleration = Change in velocity / Change in ____.
114. Induction means the production of an electric or magnetic state by the proximity (without contact) of an electrified or magnetized body.
115. Displacement (curve) means change in position, more specifically, a vector relating the initial and the final positions of a moving point.
116. What word means an object in motion will remain in motion.
117. Newtons 3rd law of motion states that for every action there is a(n) ____ but ____ reaction.
118. Net force = ____ - mass x gravity
119. Keplers first law states that all planets move about the Sun in elliptical orbits, having the Sun as one of the foci.
120. Keplers second law states that a radius vector joining any planet to the Sun sweeps out equal areas in equal lengths of time.
121. Keplers third law states that the squares of the sidereal periods (of revolution) of the planets are directly proportional to the cubes of their mean distances from the Sun.
122. Small g =
123. What is in the nucleus of every atom?
124. An atomic number is based on how many ____ are in a nucleus, which also determines the element.
125. Mass numbers is from combining Protons and Neutrons making the Nucleus.
126. When you have same atomic number but different mass numbers, this is a(n)
127. What is the attractive force that acts between protons and neutrons in a nucleus?
128. Alpha decay occurs when an unstable nucleus loses two protons and two neutrons, becoming a different element in the process.
129. Mass = Energy
130. Between alpha, beta, and gamma, which is the weakest in terms of penetrations
131. When an unstable nucleus emits a beta particle, which is just an electron.
132. What alters quarks.
133. Which describes Gamma Decay?
134. Optical Instruments - Magnification Power = - Angle Subtended by image / Angle Subtended by object.
135. Optical Instruments - Tan0 is for
136. Optical Instruments - Tan0’ is for
137. Planck’s Law states that electromagnetic energy takes form in tiny discreet packets called “Quanta”
145. Sound - Intensity is usually measured in ____.
146. Sound - Intensity is proportional to ____ squared.
147. Decibels are based on bels, which is ____ in scale
148. 1 Bel is ____ times as intense as 0 bels.
149. 2 Bels is ____ times more intense than 0 bels.
150. deciBel is ____ of a bel.
151. Special relativity deals with ACCELERATING frames of reference.
152. Speed x Time =
153. What is torque?
154. Young’s modulus is a number represented by captital
155. Statics - Stress = Force / ____.
156. Strain is the object change in length / initial length.
157. Tensile stress is the same as compressive stress.
158. Shears modulus, for shear stress, is represented by capital
159. Bulk modulus is represented by capital
160. How can you change an objects shape?
161. Boyle’s Law states that Volume is proportional to
162. Charles’ Law states that Volume is proportional to
163. Gay-Lussac’s Law states that Pressure is proportional to
164. Moles is represented by lower case n
165. R is the universal gas constant
166. Temperature is the measure of the average ____ of each individual molecule in a substance.
167. Thermal energy is represented by the letter U
168. Thermal energy is the ____ energy of all the molecules added together.
169. Heat is represented by the capital letter
170. 4.186 Joules =
171. Specific heat deals with how well a substance
172. How does heat spread?
173. Thermodynamics - The higher the K, the higher the
174. The higher the emissivity constant, the more a material radiates.
175. Your body loses heat due to convection when
176. Torque = Angular acceleration x ____.
177. Centrifugal force is a force, arising from the body's inertia, which appears to act on a body moving in a circular path and is directed away from the centre around which the body is moving.
178. Linear momentum (p) = mass x velocity Angular momentum (L) = moment of inertia x ____.
179. Traveling Waves - Total energy = 1/2 of spring constant x ____ squared.
180. Velocity tells you how fast an objects going as well as the ____.
181. Centripetal acceleration is directed
182. Vectors and 2D Motion - The arrow -> above a letter tells you it’s a vector.
183. Vectors and 2D Motion - The hat ^ above a letter tells you it’s a unit vector.
184. A change in potential energy equals work done by external force, or negative work done by electric force.
185. Electric potential = electric field x ____.
186. Capacitance = Charge (Q) / ____.
187. 1 Farad = 1 Coulomb per volt
188. A dielectric is used to increase capacitance or prevent any charge from jumping plate to plate.
189. Energy can be defined by the ability to do work.