How many distinct currents are in this circuit? a.One. b.Two. c.Three. d.Four. e.Five. How many distinct currents are in this circuit? a.One. b.Two. c.Three.

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Presentation transcript:

How many distinct currents are in this circuit? a.One. b.Two. c.Three. d.Four. e.Five. How many distinct currents are in this circuit? a.One. b.Two. c.Three. d.Four. e.Five.

The current in the 2  resistors is: a.1A. b.2A. c.3A. d.4A. e.5A. The current in the 2  resistors is: a.1A. b.2A. c.3A. d.4A. e.5A.

The current from the battery is: a.1A. b.2A. c.3A. d.4A. e.5A. The current from the battery is: a.1A. b.2A. c.3A. d.4A. e.5A.

Series and Parallel Circuits A.Series Circuit 1. Set up a series circuit using the 3.0V battery power supply and three resistors ( R 1, R 2, and R 3. ) 2. Using the color code, determine the resistance of each resistor. 3. Measure and record the current through each element, the current leaving the battery, and the voltage across each element. These are the experimental values. 4. Calculate the theoretical values of the voltages and currents and enter them in your table. Show all of your calculations.

READING THE CURRENT 1st2nd 3rd

READING THE VOLTAGE 1st 2nd

Part 1: The Series Circuit A.Series Circuit 1. Set up a series circuit using the 3.0V battery power supply and three resistors ( R 1, R 2, and R 3. ) 2. Using the color code, determine the resistance of each resistor. 3. Measure and record the current through each element, the current leaving the battery, and the voltage across each element. These are the experimental values. 4. Calculate the theoretical values of the voltages and currents and enter them in your table. Show all of your calculations.

Series

Part 2: The Parallel Circuits A.Parallel Circuit 1. Set up a parallel circuit using the 3.0V power supply and the three resistors ( R 1, R 2, and R 3. ) 2. Measure and record the current through each element, the current leaving the battery, and the voltage across each element. These are the experimental values. 4. Calculate the theoretical values of the voltages and currents and enter them in your table. Show all of your calculations.

Parallel

Series Data Table Measured Values Calculated Values R 1 (  R 2 (  )R 3 (  )VV1V1 V2V2 V3V3 ReqV1V1 V2V2 V3V3 Ii1i1 i2i2 i3i3 Ii1i1 i2i2 i3i3 Percent Errors V1V1 V2V2 V3V3 Ii1i1 i2i2 i3i3

Data table - Parallel Measured ValuesCalculated Values R 1 (  )R 2 (  ) VV1V1 V2V2 V3V3 ReqV1V1 V2V2 V3V3 Ii1i1 i2i2 i3i3 Ii1i1 i2i2 i3i3 Percent Errors V1V1 V2V2 V3V3 Ii1i1 i2i2 i3i3

1. In a parallel circuit the equivalent resistance is_________ any one resistor. ( the same as, greater than, less than) 2. In a series circuit the equivalent resistance is_________ any one resistor. ( the same as, greater than, less than) 3. Draw a picture of a circuit with three bulbs that is neither series nor parallel. 1. In a parallel circuit the equivalent resistance is_________ any one resistor. ( the same as, greater than, less than) 2. In a series circuit the equivalent resistance is_________ any one resistor. ( the same as, greater than, less than) 3. Draw a picture of a circuit with three bulbs that is neither series nor parallel.

Starter Two Sets of Tables Calculation Sets for Series and Parallel Questions Summary Starter Two Sets of Tables Calculation Sets for Series and Parallel Questions Summary