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Potential difference (V) Learmers conduct an Investgation to detemsine the emt and intenal reshitanco trn of a ballery. They set up a circut as shown in the dhegram beiow and measure h potential difference using the voltmeter for dfferent currents in the circuit The results obtained are shown in the greph below. Graph of notential difference versus current 1.5 1,0 0.5 0,5 Current (A) (1) 4.1 Use the graph to determine the emf of the battery. (3) 4.2 Calculate the gradient of the graph. 4.3 Which physical quantity is represented by the magnitude of the gradient of the graph? (2) 4.4 How does the voltmeler reading change as the ammeter reading increases? Write down INCREASES, DECREASES or REMAINS THE SAME. Use the formula emf = IR + Ir to explain the answer. (3) [9]

Potential difference (V) Learmers conduct an Investgation to detemsine the emt and intenal reshitanco trn of a ballery. They set up a circut as shown in the dhegram beiow and measure h potential difference using the voltmeter for dfferent currents in the circuit The results obtained are shown in the greph below. Graph of notential difference versus current 1.5 1,0 0.5 0,5 Current (A) (1) 4.1 Use the graph to determine the emf of the battery. (3) 4.2 Calculate the gradient of the graph. 4.3 Which physical quantity is represented by the magnitude of the gradient of the graph? (2) 4.4 How does the voltmeler reading change as the ammeter reading increases? Write down INCREASES, DECREASES or REMAINS THE SAME. Use the formula emf = IR + Ir to explain the answer. (3) [9]

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Potential difference (V) Learmers conduct an Investigation to determiine tho emf and intemal reshitanca th ballery. They set up a circut as shown ia the diagram beiow and measure the potentiel diference using the votmeter for dfferent currents in the circuit The results obtained are shown in the graph below. Graph of potential difference versus current 1.5 1,0 0.5- 0,5 Current (A) (1) 4.1 Use the graph to determine the emf of the battery. (3) 4.2 Calculate the gradient of the graph. 4.3 Which physical quantity is represented by the magnitude of the gradient of the graph? (2) 4.4 How does the voltmeler reading change as the ammeter reading increases? Write down INCREASES, DECREASES or REMAINS THE SAME. Use the formula emf = IR + Ir to explain the answer. (3) 42 Ageyser, labellad 2000w.is used for n Queage of Shours Per day, The Cost of electricity 1s Socents Pe kwh. Ocalculale the enagy used 54 the geyse, for 5hors Pday (4) Calatate the Cost of eleih.cly to operate tthe geyser f Month with 3odays 4)
Transcribed Image Text:Potential difference (V) Learmers conduct an Investigation to determiine tho emf and intemal reshitanca th ballery. They set up a circut as shown ia the diagram beiow and measure the potentiel diference using the votmeter for dfferent currents in the circuit The results obtained are shown in the graph below. Graph of potential difference versus current 1.5 1,0 0.5- 0,5 Current (A) (1) 4.1 Use the graph to determine the emf of the battery. (3) 4.2 Calculate the gradient of the graph. 4.3 Which physical quantity is represented by the magnitude of the gradient of the graph? (2) 4.4 How does the voltmeler reading change as the ammeter reading increases? Write down INCREASES, DECREASES or REMAINS THE SAME. Use the formula emf = IR + Ir to explain the answer. (3) 42 Ageyser, labellad 2000w.is used for n Queage of Shours Per day, The Cost of electricity 1s Socents Pe kwh. Ocalculale the enagy used 54 the geyse, for 5hors Pday (4) Calatate the Cost of eleih.cly to operate tthe geyser f Month with 3odays 4)
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