1. The speed of the magnet decreases as it moves towards a coil, while the magnitude of the induced current also A. increases B. zero C. decreases D. no change the magnitude of induced current also 2. As the strength of a magnet A. decreases; increases B. increases; increases C. increase; decreases D. decreases; no change

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Chapter13: Electromagnetic Induction
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Problem 76CP: A 0.50-kg copper sheet drops through a uniform horizontal magnetic field of 1.5 T, and it reaches a...
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ASSESSMENT IN GENERAL PHYSICS 2
FOURTH QUARTER
S.Y. 2020-2021
I. MULTIPLE CHOICE:
Directions: Read the statements/questions carefully. Choose the letter of the correct answer and write your answer
before the item number.
1. The speed of the magnet decreases as it moves towards a coil, while the magnitude of the induced current
also
A. increases
B. zero
C. decreases
D. no change
the magnitude of induced current also
C. increase; decreases
2. As the strength of a magnet
A. decreases; increases
B. increases; increases
D. decreases; no change
3. Electromotive force can be induced by
A. Moving a magnet near a wire
C. Changing magnetic field in a nearby wire
B. Moving the wire near the magnet
D. All of these
lo sutod
4. Which of the statements is true when there is change in magnetic field in a closed loop of wire.
C. Electromotive force is induced in the wire
A. There is no current induced in the wire
B. The induced current is free to move in any direction of the wire
D. All of these
5. Which of the following is NOT a way a magnetic field can be varied to induce a current in a wire?
C. Change the strength of the magnetic field a
D. Move the coil out of the magnetic field
A. Rotate the coil inside the magnetic field
B. Move the coil in and out the magnetic field
6. What are the two main applications for AC?
A. Direct, pulsating
yob tw.s
D. Static, dynamic
C. Power, information
B. Electric, magnetic
7. The distance that a signal's energy can travel in the time it takes for one cycle to occur is called the signal's:
ww.s
C. Wavelength
8. One oscilloscope selector knob that allows the major and minor divisions of the graticule to be used to determine a
A. Amplitude
B. Frequency
D. Period
signal amplitude value is called the:
A. Time/cm Control
susod
D. Volts/cm control
B. Position Control
C. Intensity control
9. If current varies periodically from zero to a maximum, back to zero, and then repeats, the signal is:hi
D. Repetitive fon ob ver
A. Direct
B. Alternating
C. Pulsating
10. What voltage will an AC voltmeter display?
A. Rms
B. Average
C. Peak
D. Peak-to-Peak
11. What is the peak value of a household appliance that uses a 230 V aC source?
В. 230 V
А. 163 V
C. 325 V
D. 480 V
12. What is the waveform period difference between the 60 Hz electricity used in this country and the 50 Hz used in
Europe?
elidwniog leo
A. 3 ms
B. 16 msibusb
C. 4 ms
D. 20 ms
oido
13. Test equipment selection enables the technician to both generate signals and:
C. Sense circuit conditions
D. Change signal frequencies.
A. Change circuit conditions
B. Inject signals
14. Why is ac current transfer more effective than dc current transfer over long
distances?
A. Due to the height of power lines
C. Due to step-up and step-down transformers reduing !2R losses
B. Due to the used of generators
D. Due to very high voltages
15.A sine wave reaches maximum positive voltage at:
C. -90°
В. 0°
D. 360°
A. 90°
16. The phenomenon which occurs when the light rays travel from a more optically denser medium to a less optica
denser medium.
C. polarization
D. total internal reflection
A. refraction
B. interference
17. Which of these undergoes total internal reflection?
Transcribed Image Text:ASSESSMENT IN GENERAL PHYSICS 2 FOURTH QUARTER S.Y. 2020-2021 I. MULTIPLE CHOICE: Directions: Read the statements/questions carefully. Choose the letter of the correct answer and write your answer before the item number. 1. The speed of the magnet decreases as it moves towards a coil, while the magnitude of the induced current also A. increases B. zero C. decreases D. no change the magnitude of induced current also C. increase; decreases 2. As the strength of a magnet A. decreases; increases B. increases; increases D. decreases; no change 3. Electromotive force can be induced by A. Moving a magnet near a wire C. Changing magnetic field in a nearby wire B. Moving the wire near the magnet D. All of these lo sutod 4. Which of the statements is true when there is change in magnetic field in a closed loop of wire. C. Electromotive force is induced in the wire A. There is no current induced in the wire B. The induced current is free to move in any direction of the wire D. All of these 5. Which of the following is NOT a way a magnetic field can be varied to induce a current in a wire? C. Change the strength of the magnetic field a D. Move the coil out of the magnetic field A. Rotate the coil inside the magnetic field B. Move the coil in and out the magnetic field 6. What are the two main applications for AC? A. Direct, pulsating yob tw.s D. Static, dynamic C. Power, information B. Electric, magnetic 7. The distance that a signal's energy can travel in the time it takes for one cycle to occur is called the signal's: ww.s C. Wavelength 8. One oscilloscope selector knob that allows the major and minor divisions of the graticule to be used to determine a A. Amplitude B. Frequency D. Period signal amplitude value is called the: A. Time/cm Control susod D. Volts/cm control B. Position Control C. Intensity control 9. If current varies periodically from zero to a maximum, back to zero, and then repeats, the signal is:hi D. Repetitive fon ob ver A. Direct B. Alternating C. Pulsating 10. What voltage will an AC voltmeter display? A. Rms B. Average C. Peak D. Peak-to-Peak 11. What is the peak value of a household appliance that uses a 230 V aC source? В. 230 V А. 163 V C. 325 V D. 480 V 12. What is the waveform period difference between the 60 Hz electricity used in this country and the 50 Hz used in Europe? elidwniog leo A. 3 ms B. 16 msibusb C. 4 ms D. 20 ms oido 13. Test equipment selection enables the technician to both generate signals and: C. Sense circuit conditions D. Change signal frequencies. A. Change circuit conditions B. Inject signals 14. Why is ac current transfer more effective than dc current transfer over long distances? A. Due to the height of power lines C. Due to step-up and step-down transformers reduing !2R losses B. Due to the used of generators D. Due to very high voltages 15.A sine wave reaches maximum positive voltage at: C. -90° В. 0° D. 360° A. 90° 16. The phenomenon which occurs when the light rays travel from a more optically denser medium to a less optica denser medium. C. polarization D. total internal reflection A. refraction B. interference 17. Which of these undergoes total internal reflection?
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