DIRECT CURRENT CIRCUITS

# DIRECT CURRENT CIRCUITS - -1-PHYSICS 212DIRECT-CURRENT

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Unformatted text preview: -1-PHYSICS 212DIRECT-CURRENT CIRCUITSWORKBOOK_____________________________________________STUDENTS FULL NAME-2-PHYSICS 212 OUTLINEDIRECT-CURRENT CIRCUITS1 SOURCES OF EMFWhat does the abbreviation emf represent?Explain the difference between a batterys emf and its terminal voltage.2RESISTORS IN SERIESDraw a simple circuit with two resistors in series.How are the currents through the two resistors related?How are the voltages across the two resistors related?How is the equivalent resistor calculated?3RESISTORS IN PARALLELDraw a simple circuit with two resistors in parallel.-3-How are the currents through the two resistors related?How are the voltages across the two resistors related?How is the equivalent resistor calculated?5RC CIRCUITSSuppose a capacitor and resistor are connected in series. During the charging process I, Q, and VCchange. Write equations for these quantities.What is the RC time constant?When a capacitor discharges through a resistor I, Q, and VCchange. Write equations for thesequantities.6HOUSEHOLD CIRCUITSHow is 240 V produced in circuits for large appliances?-4-7ELECTRICAL SAFETYList what may likely occur for each of the following currents if passing through a person.5 mA10 mA100 mAWhat does the abbreviation GFI represent and how does the device work?-5-PHYSICS 212 MULTIPLE CHOICE QUESTIONSDIRECT-CURRENT CIRCUITSMultiple ChoiceIdentify the letter of the choice that best completes the statement or answers the question.____1. The two ends of a 3.0-resistor are connected to a 9.0-V battery. What is the current through the resistor?A. 27 AD. 0.33 AB. 6.3 AE. 0.17 AC. 3.0 A(Basic)____2. The two ends of a 3.0-resistor are connected to a 9.0-V battery. What is the total power delivered by thebattery to the circuit?A. 3.0 WD. 0.11 WB. 27 WE. 0.067 WC. 0.33 W(Basic)____3. The basic function of an electromotive force in a circuit is to do which of the following?A. Convert electrical energy into some other form.B. Convert some other form of energy into electrical.C. Both choices (a) and (b) are valid.D.None of the above choices are valid.(Basic)____4. Which voltage is not caused by a source of emf?A. the voltage across a charged capacitorB. the voltage across two copper-iron junctions at different temperaturesC. the voltage across the terminals of a dry cell batteryD. the voltage from an electric generatorE. None of the above choices is valid....
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## DIRECT CURRENT CIRCUITS - -1-PHYSICS 212DIRECT-CURRENT

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