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Basic Electricity Revision Aspiration Respect Compassion Honesty Fairness

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Name the component Aspiration Respect Compassion Honesty Fairness

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Name the component

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What is the energy transformation Loudspeaker Microphone Hair straighter TV Lift going up Heater Lamp

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What are the missing words? The current is the ______at all points in a series circuit The voltages in a _______ circuit add to equal the battery voltage

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What are the missing words? The voltages in a ______circuit are all the same In a parallel circuit the _______ from the battery equals the sum of the currents through the lamps.

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Circuits Draw a circuit with a bulb a battery and a meter which will allow you to measure the voltage across the bulb Now add a meter to measure the current in the bulb.

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Resistance An increase in resistance causes current to _________________. A resistor causes electrical energy to be changed to _________ energy in the material.

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Resistance is measured in __________, usually given the symbol . Resistance can be measured using an _______________. Draw the circuit you would use to measure When the resistance is reduced, the current is _______________.

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Explain how you would use readings from this circuit to calculate the resistance of the resistor

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Resistance What is the symbol for resistance What are the units of resistance What is the formula for resistance

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Variable Resistors A torch bulb is marked "6 V, 0.25 A". Calculate the resistance of the bulb.

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Calculate the resistance of a component when a voltage of 24 V causes a current of 0.1 amperes.

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A voltage of 6 volts is across a resistor where the current is 0.5 amperes. What is the value of the resistor?

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Variable Rsistors Name a use for variable resistors Name another use for variable resistors

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Many of them do this by varying the _____ of the conductor used.

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