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Question 1

Answer Q1c

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Question 2

Answer Q2c

T = 896 C

Answer Q2b

Differential Amplifier 

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Question 3

Question 4

Answer Q3b(i)

a = 97.96g

Answer Q3b(ii)

f = 34.87 Hz

Answer Q4a

Answer Q4b

Answer Q4c

Answer Q4d

V = 5.64 mV

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Question 5

Answer Q5b

Vout = 178.57 Vin - 4.29

Voltage

Follower 

InvertingAmplifier 

G = -179k 

SummingAmplifier 

G = -1

Vin   Vout

+4.29V

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Question 6

Answer Q6b

V = 0.21 V

Answer Q6c

R = 111.44 Ohm

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Question 7

Answer Q7b(i)

L = 12.56 mH

Answer Q7b(ii)

L = 3.71 mH

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Question 8

Answer Q8b(i)   Answer Q8b(ii)

Have to show equation to explain how the capacitance and inductance changewith iron core displacement

Answer Q8c

C = 4000 - 800

= 3200 pF

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Question 9

Answer Q9b

V(1s) = 14.45 mV

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Answer Q9c(i)

T = 76.48 C

Answer Q9c(ii)

T = 95.37 C

Answer Q9d(i)

Vout = 1.633 V

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Question 10

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Answer Q10b(i)

V(20ms) = 11.96 mV

comparator 

Answer Q10b(ii)

LED is switched on because the voltage input

into the comparator is 6Vwhen the light beam is

interrupted, and 6V isgreater than the comparator 

reference voltage of 4V.

Answer Q10d(i)

a = 101.94 g

Answer Q10d(ii)

f = 31.83 Hz

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Question 11

Answer Q11a

Use two inverting amplifier 

Answer Q11c

V = 7.36 mV

V at    = 1   is:

V = 5.07V

    

GF 

GF V V  s

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