Make Electronics

Experiment 1: Taste the Power! 6 Chapter 1 If you make a mistake and try to measure something inappropriate, the meter will show ...

Experiencing Electricity 7 Experiment 1: Taste the Power! Procedure We’re going to use the meter to discover the electrical resi ...

Experiment 1: Taste the Power! 8 Chapter 1 BAckground The man who discovered resistance Georg Simon Ohm, pictured in Figure 1-2 ...

Experiencing Electricity 9 Experiment 2: Let’s Abuse a Battery! Cleanup and Recycling Your battery should not have been damaged ...

Experiment 2: Let’s Abuse a Battery! 10 Chapter 1 The heat is caused by electricity flowing through the wires and through the el ...

Experiencing Electricity 11 Experiment 2: Let’s Abuse a Battery! First inspect the fuse very carefully, using a magnifying glass ...

Experiment 2: Let’s Abuse a Battery! 12 Chapter 1 FundAmentAls Direct and alternating current The flow of current that you get ...

Experiencing Electricity 13 Experiment 3: Your First Circuit Cleanup and Recycling The first AA battery that you shorted out is ...

Experiment 3: Your First Circuit 14 Chapter 1 FundAmentAls Decoding resistors Some resistors have their value clearly stat ...

Experiencing Electricity 15 Experiment 3: Your First Circuit FundAmentAls Decoding resistors (continued) Note that the colo ...

Experiment 3: Your First Circuit 16 Chapter 1 Lighting an LED Now take a look at one of your LEDs. An old-fashioned lightbul ...

Experiencing Electricity 17 Experiment 3: Your First Circuit Now swap out your 2K resistor and substitute a 1K resistor, which w ...

Experiment 4: Varying the Voltage 18 Chapter 1 Experiment 4: Varying the Voltage Potentiometers come in various shapes and sizes ...

Experiencing Electricity 19 Experiment 4: Varying the Voltage possesses some resistance (a total of 2K in this instance), and as ...

Experiment 4: Varying the Voltage 20 Chapter 1 While the batteries are connected to the circuit, set your meter to measure volts ...

Experiencing Electricity 21 Experiment 4: Varying the Voltage 6v Battery Pack Volts Figure 1-56. The meter shows how much voltag ...

Experiment 4: Varying the Voltage 22 Chapter 1 Figure 1-58. Any meter will blow its internal fuse if you try to make it measure ...

Experiencing Electricity 23 Experiment 4: Varying the Voltage It’s time now to nail this down with some numbers. Here’s one last ...

Experiment 4: Varying the Voltage 24 Chapter 1 6v Battery Pack Amps Figure 1-64. If you substitute a resistor instead of the LED ...

Experiencing Electricity 25 Experiment 4: Varying the Voltage In fact, we could say: voltage = kilohms × milliamps But wait a mi ...