Elenco Snap Circuits® Home Learning - Manual (Page 35)

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Materials List
2 2-Snap Wires
1 4-Snap Wire
1 5-Snap Wire
1 6-Snap Wire
1 Battery Holder (B1)
1 LED (D1)
1 NPN Transistor (Q2)
1 100K Ohm Resistor (R5)
1 Motor (M1) and Fan Blade
1 Slide Switch (S1)
1 Press Switch (S2)
Build the circuit as shown.
Turn the S1 slide switch on.
Is the LED on?__________ Is the motor running? _________
Push the S2 Press Switch.
Is the LED on?__________ Is the motor running? _________
Remove the motor and repeat the experiment. Does the LED act differently? Explain _________________________________
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Activity 27
Motor Running LED
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