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Exp. #1
-"How a Resistor Works"
EXP. 1 - STEM KIT 01 Ten Multiple Choice Questions
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PERIOD
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2
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FIRST NAME
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LAST NAME
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Your answer
Schematic for Experiment #1
1. In Experiment #1, the brightness of the LED depends on _______________________________ .
1 point
A. the capacitor value in the circuit
B. the value of the resistor in the circuit
C. the solderless circuit board
D. the battery snap
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2. Of the four values of resistors in Experiment #1, which value caused the LED to be the brightest?
1 point
A. 100 Ohm
B. 220 Ohm
C. 1k Ohm
D. 6.8k Ohm
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3. What color is the third band on the 6.8k Ohm resistor?
1 point
A. blue
B. green
C. black
D. red
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4. Which side of the battery does the electron current flow from?
1 point
A. positive
B. left
C. negative
D. top
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5. What is the color of the positive lead on the battery snap?
1 point
A. green
B. red
C. black
D. yellow
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6. The short lead on the LED is _________________ .
1 point
A. the Gate
B. the Anode
C. the Cathode
D. the Positive
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7. What are the colors on a 1000 Ohm ±5 resistor we use in this experiment?
1 point
A. brown, black, red, gold
B. green, blue, red, silver
C. blue, gray, red, gold
D. brown, red, green, silver
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8. With an LED in a circuit, the more ______________________ , the greater the brightness.
1 point
A. air
B. capacitance
C. current
D. light
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9. To reduce the amount of current flowing in a circuit, you can ___________________ the amount of resistance.
1 point
A. increase
B. decrease
C. rotate
D. circle
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10. Of the four values of resistors we use in this experiment, which value caused the LED to be the dimmest?
1 point
A. 100 Ohm
B. 220 Ohm
C. 1k Ohm
D. 6.8k Ohm
Clear selection
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