Units of competency

Units of competency: Solve problems in multiple path d.c. circuits (UEENEEE004B)

Question 8

Question 8

Written Paper Section I Question 8 - 2009 HSC

Identify the state of a circuit if a current is to be measured.

Question 9

Question 9

Written Paper Section I Question 9 - 2009 HSC

Identify the charge on a capacitor when three capacitors of equal value are connected in parallel.

Question 10

Question 10

Written Paper Section I Question 10 - 2009 HSC

Calculate the total resistance in ohms of a circuit.

Question 14

Question 14

Written Paper Section I Question 14 - 2009 HSC

Identify the cause of why the current in a parallel circuit is limited.

Question 15

Question 15

Written Paper Section I Question 15 - 2009 HSC

Calculate the resistance of a conductor when its dimensions are changed.

Student Responses (16)

Exemplary response 1 Band 5/6 response 2 Band 5/6 response 3 Band 5/6 response 1 Band 4/5 response 2 Band 4/5 response 3 Band 4/5 response 1 Band 3/4 response 2 Band 3/4 response 3 Band 3/4 response 1 Band 2/3 response 2 Band 2/3 response 3 Band 2/3 response 1 Band 1/2 response 2 Band 1/2 response 3 Band 1/2 response 1

Question 18

Question 18

Written Paper Section II Question 18 - 2009 HSC

Use a Resistor Colour Code Chart to find the colours of a resistor given its value and tolerance. Determine the maximum value of a resistor given its sequence of colour bands.

Student Responses (14)

Exemplary response 1 Band 5/6 response 1 Band 5/6 response 2 Band 5/6 response 3 Band 4/5 response 1 Band 4/5 response 2 Band 4/5 response 3 Band 3/4 response 1 Band 3/4 response 2 Band 2/3 response 1 Band 2/3 response 2 Band 1/2 response 1 Band 1/2 response 2 Band 1/2 response 3

Question 20

Question 20

Written Paper Section II Question 20 - 2009 HSC

Calculate the time constant for a circuit, the maximum circuit current and the effect on resistance when the time constant is changed.

Student Responses (16)

Exemplary response 1 Band 5/6 response 1 Band 5/6 response 2 Band 5/6 response 3 Band 4/5 response 1 Band 4/5 response 2 Band 4/5 response 3 Band 3/4 response 1 Band 3/4 response 3 Band 3/4 response 2 Band 2/3 response 1 Band 2/3 response 3 Band 2/3 response 2 Band 1/2 response 1 Band 1/2 response 2 Band 1/2 response 3

Question 23

Question 23

Written Paper Section II Question 23 - 2009 HSC

Describe the process for measuring a resistor using an analogue ohmmeter.

Student Responses (16)

Exemplary response 1 Band 5/6 response 1 Band 5/6 response 2 Band 5/6 response 3 Band 4/5 response 2 Band 4/5 response 3 Band 4/5 response 1 Band 3/4 response 1 Band 3/4 response 2 Band 3/4 response 3 Band 2/3 response 1 Band 2/3 response 2 Band 2/3 response 3 Band 1/2 response 1 Band 1/2 response 2 Band 1/2 response 3

Question 24

Question 24

Written Paper Section II Question 24 - 2009 HSC

Calculate the total resistance of an electrical circuit.

Student Responses (15)

Band 5/6 response 1 Band 5/6 response 2 Band 5/6 response 3 Band 4/5 response 1 Band 4/5 response 2 Band 4/5 response 3 Band 3/4 response 1 Band 3/4 response 2 Band 3/4 response 3 Band 2/3 response 1 Band 2/3 response 2 Band 2/3 response 3 Band 1/2 response 1 Band 1/2 response 2 Band 1/2 response 3

Question 27

Question 27

Written Paper Section III Question 27 - 2009 HSC

Describe and explain the processes for resolving a customer service issue and loss of supply issue due to a loss of power.

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