07 solving electricity problems.docx

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Current Electricity Word Problems Variable Variable Symbol Unit Unit Symbol Energy E joules J Voltage (Potential Difference) V volts V Electric Charge Q coulombs C Current I amperes A Time t seconds s Formula Triangles Each formula triangle can be used to rearrange a formula to solve for each of the three variable’s. The horizontal line represents dividing and the vertical line represents multiply.

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Current Electricity Problems

Current Electricity Word Problems

VariableVariable SymbolUnitUnit Symbol

EnergyEjoulesJ

Voltage (Potential Difference)VvoltsV

Electric ChargeQcoulombsC

CurrentIamperesA

Timetsecondss

Formula Triangles

Each formula triangle can be used to rearrange a formula to solve for each of the three variables. The horizontal line represents dividing and the vertical line represents multiply.