OHMS LAW E I R OHMS LAW E

OHM’S LAW E I R

OHM’S LAW E E=the electromotive force I= the electron flow or current in amperes R= the resistance in ohms I R

What is the total circuit resistance Rt? Rt=4 ח + 2 = ח 6 ח What is the current? I=E/R 2 A =12 V/6 ח What is the voltage drop across the resistors? 2 ח resistor E=I x R 4 V =2 A x 2 ח

What is the voltage drop across the 4 ohm resistor? E=I x R 8 V=2 A x 4 ח

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + + + - + +

Circuit #1: Series Meter Testing and Readings 12 V + 12 Volt Battery + + - 0 V + +

Circuit #1: Series Meter Testing and Readings 12 V + 12 Volt Battery + - + 0 V + 12 V +

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + + 12 V + - + + 0 V

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + + - + + 12 V + 0 V 12 V

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + + 12 V - + +

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + + 12 V - + + 12 V 0 V +

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + + 12 V + 0 V - + +

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + + 12 V - + + 0 V 12 V +

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + + + 0 V - + + 0 V

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + + - + + 0 V 0 V

Circuit #1: Series Meter Testing and Readings 12 V + 12 Volt Battery + + - 0 V + +

Circuit #1: Series Meter Testing and Readings 12 V + 12 Volt Battery + - + 0 V + 12 V +

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + + + - + + 12 V

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + + - + + + 12 V 0 V 12 V

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + + + - + + 12 V

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + + - + + + 12 V 0 V 12 V

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + - 4Ω + + 12 V 4Ω + 8 V

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + - 4Ω + + 8 V 12 V 4 V 4Ω

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + - 4Ω + + 4Ω + 8 V 4 V

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + - 4Ω + + 4Ω + 8 V 4 V 4 V

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + - 4Ω + + 4Ω 4Ω + + 4 V 0 V

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + - 4Ω + + 4Ω 4Ω + + 4 V 4 V 0 V

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + - 4Ω + + 12 V 4Ω + 4 V

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + - 4Ω + + 4Ω + 12 V 4Ω + 4 V 8 V

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + + + - + + 12 V 0 V

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + + - + + + 12 V 0 V

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + + + - + + 12 V

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + - 6Ω + 12 V + 6Ω + 0 V 12 V

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + - 6Ω + + 6Ω + 12 V 0 V

Circuit #1: Series Meter Testing and Readings 12 Volt Battery + - 6Ω + + 6Ω + 12 V 0 V

Circuit #2: Parallel Meter Testing and Readings 12 Volt Battery + + + 12 V 0 V - + +

Circuit #2: Parallel Meter Testing and Readings 12 Volt Battery + + + 12 V 0 V - + +

Circuit #2: Parallel Meter Testing and Readings 12 Volt Battery + + + 12 V - + +

Circuit #2: Parallel Meter Testing and Readings 12 Volt Battery + + + 12 V 0 V 12 V - + +

Circuit #2: Parallel Meter Testing and Readings 12 Volt Battery + + + 12 V - + +

Circuit #2: Parallel Meter Testing and Readings 12 Volt Battery + + + 12 V 0 V 12 V - + +

Circuit #2: Parallel Meter Testing and Readings 12 Volt Battery + + + 12 V 0 V - + +

Circuit #2: Parallel Meter Testing and Readings 12 Volt Battery + + + 12 V 0 V - + +

Circuit #2: Parallel Meter Testing and Readings 12 Volt Battery + + - + + 12 V 0 V +

Circuit #2: Parallel Meter Testing and Readings 12 Volt Battery + + - + + 12 V 0 V +

Circuit #2: Parallel Meter Testing and Readings 12 Volt Battery + + - + + + 12 V 0 V

Circuit #2: Parallel Meter Testing and Readings 12 Volt Battery + + - + + + 0 V 0 V

Circuit #2: Parallel Meter Testing and Readings 12 Volt Battery + + - + + + 0 V 0 V 0 V

Circuit #2: Parallel Meter Testing and Readings 12 Volt Battery + + - + + + 12 V 0 V

Circuit #2: Parallel Meter Testing and Readings 12 Volt Battery + + - + + + 12 V 0 V

Circuit #2: Parallel Meter Testing and Readings 12 Volt Battery + + - + + + 6 V 12 V 6 V

Circuit #2: Parallel Meter Testing and Readings 12 Volt Battery + + - + + 6 V 12 V 6 V +

Circuit #2: Parallel Meter Testing and Readings 12 Volt Battery + + - + + + 12 V Bad Ground 0 V