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Exam (elaborations)

Current Electricity Top Compulsory Exam Questions And Correct Answers
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11

April 2024

2023/2024

A+
594 1) The current through a lightbulb connected across the terminals of a 125 V outlet is 0.5 A. At what rate does the bulb convert electric energy to light? (Assume 100 percent efficiency) P=IV or 0.5(125)= 63 W or J/S 594 2) A car batter causes a current of 2 A through a lamp and produces 12 V across it. What is the power used by the lamp? P=IV or 2(12) =24 W 594 3) What is the current through a 75 W lightbulb that is connected to a 125 V outlet? P=IV or 75=I(125) or 75/125 =0.6 ...
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Exam (elaborations)

Current Electricity Key Predicted Exam Questions And Correct Answers
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4

April 2024

2023/2024

A+
BatterySource of voltage in a circuit. Many cells together. SwitchControls the movement of electrons in a circuit. Can be open or closed. ClosedA circuit is _____ if electrons can flow completely around the circuit. OpenA circuit is _____ if electrons cannot complete the path around the circuit. Light BulbA specific form of load that converts electrical energy into light energy. WireA conductor used to connect various circuit components. LoadConverts electrical energy into some other form....
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Exam (elaborations)

Current Electricity UPDATED Exam Questions And Correct Answers
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3

April 2024

2023/2024

A+
Current Electricity controlled flow of electrons through a conductor Load (Circuit) devices that convert electrical energy into other forms of energy Electric Circuit A continuous path that electrons can flow through Battery A collection of one or more electric cells Electric Cell Two different metals in a chemical solution; converts chemical energy into electrical energy Voltage The pressure to push the electrons through the circuit; potential difference; V; volts; v
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