QUESTION 1 What are the main components of a circuit? 0 a. resistance 0 b. a conductive path c. all of the above Q d. an energy source 0 e. a closed loop QUESTION 2 Which of the following is true about circuits? 0 a. the battery uses up charge and needs to be recharged O b. charges move very last through the circuit 0 c. charges get used up when they go through the devices If.) d.the power company does not provide charges to our devices. they are within the devices themselves QUESTION 3 What's the role of the electrical resistance in a circuit? 0 a. To make charges for the circuit 0 b.to allow charges to move along the circuit Q) C. to take away energy from the charges in a circuit 0 d. To give energy to the charges in the circuit QUESTION 4 In the mail man analogy of circuits. the mail man represents the O a. the battery 0 b.the device 0 c. the energy (0} d. electron QUESTION 5 AV = 3 V AV = AV = 12 Y AV = What is the missing voltage? O a. 3 V O b. 5 V O c. Cannot be determined O d. 4 V O e. 12 V QUESTION 6 The amount of charge that moves through the filament of a lightbulb in 2.00 s is 2.67 C. What is the current in the lightbulb? O a. 0.835 A O b. 1.33 A O c. 0.417 A O d. 5.34 AQUESTION I" What is the correct representation of the current and circuit diagram for the following circuit? QUESTION 3 Three resistors with values of 33 n. 6.0 Q. and 12 5.] are connected in series. What is the equivalent resistance of this combination? Note" Being transferred to blackboard sometimes changes my ohm symbol ((1) to a W. [2:- a_ 1.? R @J b.21 Q : c. 10 -: .I- d.0.53$] QUESTION 9 Three resistors with values of3 n 6.0 . and 12 R are connected in parallel. What is the equivalent resistance of this combination? Note" Being transferred to blackboard sometimes changes my ohm symbol {(2) to a W. ' .026 Q 3.09 QUESTION 10 6.09 [0.0 (1 2.0 it 4.0 5}! What is the resistance equivalence of the circuit above? .22 ohms .52 ohms _ 35 ohms d. 3.93 ohms QUESTION 11 In series circuits .the current and voltage stay the same .the current and voltage are not effected by the type of circuit .the current stays the same, the voltage splits .the current splits, the voltages stays the same QUESTION 12 In a parallel circuit, a.the bulbs are dimmer than in a series circuit .If one bulb in the circuit goes out, they all go out _ adding bulbs does not change the bn'ghtnessI but overloads the battery d. as you add more resistors. the total resistance increases QUESTION 13 Awave can be described as .transport of matter along the medium. ' b. a momentary disturbance of matter c. region of variable high and low pressure. QUESTION 14 The waves are characterized by .transfem'ng energy . stationary matter .transfem'ng wavelength d.transfem'ng matter QUESTION 15 During lecture , I use this simulation to depict a wave property and I highlight one of the red dots to describe an important feature of waves. What does the red dot motion support? ma = 10* 3 O a. waves only exist in a continuous disturbance O b. frequency changes the amount of red dots in the simulation O c. matter is not transported in waves, only energy d. waves are always made out of matter QUESTION 16 One type of wave is an electromagnetic wave. This wave has the following characteristics O a. it needs a medium, transverse, an example is light O b. does not need a medium, longitudinal, and example is a slinky O c. it needs a medium, longitudinal wave, an example is sound O d. does not need a medium, transverse, an example is light QUESTION 17 A Angle vs Time 10- Angle (degrees) - 10 - 1 Time ( sec ) 3 How many wavelengths are depicted in the graph? O a. 3 O b. 2.5 O c. 3.5 O d.2 QUESTION 18 What is the period of the wave? O a. 3s O b. 4s O c. 2s O d. cannot be determined O e. 1sQUESTION 19 What is the wavelength of the wave? O a. 0.5 m Ob. 1 m O c. 2m O d. 1.5 m O e. Can not be determined with the type of graph QUESTION 20 If you make the frequency of a sound wave higher, O a. the pitch is increase O b. the pitch is decreased c. the loudness is higher O d. the loudness is softer QUESTION 21 To create a longitudinal wave with a slinky, one must O a. hold both sides of the slinky, and then let the slinky go (compress back to its original shape) O b. push along the slinky O c. wiggle the slinky side to side O d. lift the slinky up and down QUESTION 22 Sound waves O a. are longitudinal waves O b. are transverse waves. O c. do not require a medium for transmission. O d. are a part of the electromagnetic spectrum. QUESTION 23 A loud scream will get faster to our ears than a quiet whisper O a. True, screams have a higher frequency and will be able to travel longer distances O b. False, screams and whispers will travel the same speed O c. True, screams have more energy and will get to our ears quicker O d. False, whispers will travel faster than screams QUESTION 24 A musical tone sounded on a piano has a frequency of 215.2 Hz and a wavelength of 1.48 m. What is the speed of the wave? O a. 72.6 m/s O b. 145.4 m/s O c. 290.8 m/s O d. 318.5 m/s QUESTION 25 When increasing the wavelength, like pressing notes on a flute , one would O a. change the natural frequency, generating a high pitch O b. change the natural frequency, generating a low pitch c. not change the natural frequency and make the same pitchQUESTION 26 B C D Which of the waves has the highest pitch? O a. B O b. D O c. C O d. A QUESTION 27 B C WWWWWW AA Which of the waves has the loudness sound? O a. D O b. C O C. A O d. B QUESTION 28 Infrasonic waves can only be heard by O a. people only O b. small animals like bats O c. anything can hear infrasonic frequencies O d. large animals like elephantsQUESTION 29 The distance between two crests of a waves corresponds to _ of a sound wave. 0 a. one wavelength 0 b. one compression 0 c. two amplitudes Q d. two rarefactions QUESTION 30 The trough of the sine curve used to represent a sound wave corresponds to O a. the wavelength. 0 b.the amplitude. O c. a rarefaction. 0 do compression. QUESTION 31 lfyou know the wavelength of any form of electromagnetic radiation, you can determine its frequency because 0 a. wavelength and frequency are equal. 0 b.the speed of light varies for each form. 0 c. the speed of light increases as wavelength increases. Q d. all wavelengths travel at the same speed. QUESTION 32 Compared to the speed of light, sound travels O a. at about the same speed. 0 b. slower. O c. faster. QUESTION 33 Resonance occurs when 0 a. sound changes speed in going from one medium to another. 0 b. sound makes multiple reections. O c. the amplitude of a wave is amplied. Q d. one object sets another object of the same frequency into oscillation O e. all of the above QUESTION 34 Which of the following of the following attributes of light does not occur? 0 a. refract O b. resonance 0 c. diffract O d.transmit 0 e. absorb QUESTION 35 The color of light is determined by the _ of light. O a. the amplitude O b.the frequency O c. the type of lens used 0 d.the energy QUESTION 36 Using additive color theory, the combination of green and blue make 0 a. yellow 0 b. red O c. magenta Q d. cyan QUESTION 37 What does the color black mean? 0 a. no light hits our eyes O b. all the colors hit our eyes O c. all the secondary colors hit our eyes 0 d. no pigments hit cur eyes QUESTION 38 Magenta is missing from the color spectrum. This is because 0 a. magenta has a frequency outside of our vision range 0 b. magenta appears black in our eyes 0 c. magenta doesn't actually exist. its an interpretation in our minds Q d. magenta has a frequency too faint for our eyes QUESTION 39 BG Light Magenta Paper What color does the paper appear when cyan light is shown on magneta paper? O a. magenta O b. black O c. blue O d. red QUESTION 40 Why does printer ink use cyan, yellow, and magneta and not red, green and blue? O a. ink works like our eyes and needs the primary light colors O b. ink is a pigment and works with absorption of light O c. ink is a pigment and works with reflection of light QUESTION 41 What is the secondary colors of subtractive light theory? O a. cyan, yellow, magenta O b. red, blue, yellow O c. cyan, yellow, red O d. red, green, blue QUESTION 42 How does a liquid differ from a gas? O a. A liquid has definite volume, unlike a gas. O b. A liquid has definite shape, whereas a gas has definite volume. O c. A liquid has definite shape, unlike a gas. O d. A liquid has both definite shape and definite volume, whereas a gas has neither.QUESTION 43 Convert 144.45 g/cm3 to kg/m3 O a. 144,450,000 kg/m3 O b. 14.445 kg/m3 O c. 144,450 kg/m3 O d. 1.44 kg/m3 QUESTION 44 "Continuity" in a fluid means O a. that there is no flow rate in a fluid O b. The flow rate of water decreases in a smaller diameter O c. The flow rate of water remains constant in a pipe, regardless of its diameter O d. The flow rate of water increases in a smaller diameter QUESTION 45 Where is the pressure greater, one meter beneath the surface of Lake Michigan or one meter beneath the surface of a swimming pond? O a. In Lake Michigan O b. In the pond O c. The pressure is approximately the same in both places QUESTION 46 The pressure at the bottom of a jug filled with water does NOT depend on the O a. surface area of the water O b. density of water O c. depth of the liquid O d. acceleration due to gravity O e. none of the aboveQUESTION 47 Which of the following is not an example of units for expressing pressure? O a. atm O b. Pa O C. N/m O d. kg/m 2 QUESTION 48 Which of the following statements is always true? O a. Pressure always increases when force decreases or the area acted on decreases. O b. Pressure always increases when force increases or the area acted on decreases. O c. Pressure always increases when force increases or the area acted on increases. O d. Pressure always increases when force decreases or the area acted on increases. QUESTION 49 A water bed that is 1.5 m wide and 2.5 m long weighs 1055 N. Assuming the entire lower surface of the bed is in contact with the floor, what is the pressure the bed exerts on the floor? O a. 270 Pa O b. 250 Pa O c. 280 Pa O d. 260 Pa QUESTION 50 Why does an ideal fluid move faster through a pipe with decreasing diameter? O a. The pressure within the fluid increases. O b. The pipe exerts more pressure on the fluid. O c. The fluid moves downhill. O d. The pressure within the fluid decreases. QUESTION 51 What does the difference between gauge pressure and absolute pressure equal? O a. the pressure at the surface of the fluid O b. the pressure at the bottom of the fluid O c. the pressure within the fluid O d. zeroQUESTION 52 The gauge pressure for the air in a balloon equals 1.01 x 10- Pa. If atmospheric pressure is equal to 1.01 x 10- Pa, what is the absolute pressure of the air inside the balloon? O a. 0 Pa O b. 1.01 x 10 Pa O C. 5.05 x 10# Pa O d. 2.02 x 10 Pa QUESTION 53 If the flow rate of a liquid is measured at 8.0 x 10 m/s going through a 20.0 m radius pipe, which of the following is the average fluid velocity in the pipe? O a. 2.0 m/s O b. 4.0 x 10 m/s O c. 0.64 m/s O d. 6.4 m/s QUESTION 54 A water tunnel has a circular cross section where the diameter diminishes from 3.6 m to 1.2 m. If the velocity of water is 3.0 m/s in the larger part of the tunnel, what is the velocity of water in the smaller part of the tunnel? O a. 27 m/s O b. 9.0 m/s O c. 54 m/s O d. 18 m/s QUESTION 55 Extra Credit: 1pt. Bernoulli's principle says that. O a. internal fluid pressure increases as the fluid speed increases O b. as volume of a gas increases at constant temperature, the pressure increases O c. as volume of a gas increases at constant temperature, the pressure decreases O d. internal fluid pressure decreases as the fluid speed increases O e. an object in air is buoyed up by a force equal to the weight of air displacedBulb 1 Bulb 2 The circuit in the figure above contains two identical lightbulbs in series with a battery. At first both bulbs glow with equal brightness. When the switch S is closed, which of the following occurs to the bulbs? Bulb 1 Bulb 2 a. Gets brighter Gets slightly dimmer O b. Gets slightly dimmer Gets Brighter O c. Gets brighter Goes out O d. Goes out Gets Bright