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2 votes
Materials needed to make a heat sensor​

2 Answers

5 votes

Answer:

they are;

Transistor BC547.

Diode 1N4148.

resistors (IEC)

an NPN transistor.

a 9V battery for the power supply.

an LED lights.

Potentiometer (IEC)

Step-by-step explanation:

4 votes

Answer:

Step-by-step explanation:

Transistor BC547.

Diode 1N4148.

resistors (IEC)

an NPN transistor.

a 9V battery for the power supply.

an LED lights.

Potentiometer (IEC)

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User Leff
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