# ECE 201 Exam 1

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deutschklasse's
version from
2015-10-07 19:24

## Section

Question | Answer |
---|---|

Circuit | interconnections of electrical devices |

Signal | electrical current or voltage that carries information or energy |

interface | is a pair of accessible terminals |

Circuit analysis | finding the output signals of a given circuit with known inputs |

Circuit Design | devising one or more circuits that produce the right output |

3 Ways if Evaluating a Circuit | 1. Number of Devices 2. Cost 3. Power consumption |

Tera (T) | 10^12 |

Giga (G) | 10^9 |

Mega (M) | 10^6 |

nano | 10^(-9) |

femto (f) | 10^(-15) |

atto (a) | 10^(-18) |

Voltage - Energy - Charge Relationship | V = W/Q |

Delta to Y transformation | (Product of the adjacent delta resistances)/(Sum of the delta resistances) |

Y to Delta transformation | (sum of the products of the Y resistors in pairs)/(the opposite Y resistor) |

Faraday's constant | 9.648 70 x 10^4 electrons per coloumb |

Black | 0 |

Brown | 1 |

Red | 2 |

Orange | 3 |

Yellow | 4 |

Green | 5 |

Blue | 6 |

Violet | 7 |

Gray | 8 |

White | 9 |

Gold | 5% tolerance |

Silver | 10% tolerance |

Nothing | 20% tolerance |

Voltage divison | Vk = (Rk)/(Req)Vtotal |

Current Division | Ik = (Gk)/(Geq)Itotal |

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