The test will be Monday, not Friday.
Current Electricity Review Key
Thursday, May 20, 2010
Tuesday, May 18, 2010
current electricity unit goals.
Current electricity goals
Know meanings of potential difference (voltage), current, resistance, power. Be able to use appropriate relationships between them with correct abbreviations and units.
Properly use the terms series, parallel and circuit.
Draw and decipher circuit diagrams.
Determine current, resistance, potential difference and power output for any part of a circuit, including
Simple circuits, series circuits, parallel circuits and complex circuits with both series and parallel elements.
Describe what affects an object’s resistance and categorize resistors as ohmic or nonohmic
Interpret graphs about resistance I vs. V and V vs. R.
Know how to include ammeters and voltmeters in a circuit and what this says about their resistances.
Describe the structure of a capacitor.
Use transient currents to describe how steady state voltages and currents are established.
Describe how houses are wired and the role of circuit breakers.
Determine loss of energy to heat in wires and describe how it can be reduced.
Trace the conducting path through light bulbs.
Describe the production of electrical energy in batteries and the role of internal resistance.
Use the pressure metaphor for voltage and interpret color-coded voltage diagrams.
Know meanings of potential difference (voltage), current, resistance, power. Be able to use appropriate relationships between them with correct abbreviations and units.
Properly use the terms series, parallel and circuit.
Draw and decipher circuit diagrams.
Determine current, resistance, potential difference and power output for any part of a circuit, including
Simple circuits, series circuits, parallel circuits and complex circuits with both series and parallel elements.
Describe what affects an object’s resistance and categorize resistors as ohmic or nonohmic
Interpret graphs about resistance I vs. V and V vs. R.
Know how to include ammeters and voltmeters in a circuit and what this says about their resistances.
Describe the structure of a capacitor.
Use transient currents to describe how steady state voltages and currents are established.
Describe how houses are wired and the role of circuit breakers.
Determine loss of energy to heat in wires and describe how it can be reduced.
Trace the conducting path through light bulbs.
Describe the production of electrical energy in batteries and the role of internal resistance.
Use the pressure metaphor for voltage and interpret color-coded voltage diagrams.
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