The diagram below shows an inductive circuit. OF V1 12V R2 500 R1 100 Inductor 470mH a. Explain with the aid of diagrams, the operation of the circuit with the switch first in position 1, and then in position 2. b. Calculate the total current supplied to the circuit 65ms after the switch is moved to position 1. c. The time taken for the voltage across the coil to reach 75% of its initial value.

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7
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The diagram below shows an inductive circuit.
14 O
Unit 19 Electrical and Electronic Principles 2023-24 (1) Protected View Saved to this PC ✓
Of
V1
12V
발
a. Explain with the aid of diagrams, the operation of the circuit with the switch first in
position 1, and then in position 2.
%
b. Calculate the total current supplied to the circuit 65ms after the switch is moved to
position 1.
fs*
R2
500
c. The time taken for the voltage across the coil to reach 75% of its initial value.
d. The time taken for the coil to become fully energised.
e. Calculate the peak voltage at the instant the switch is moved to position 2
(assuming steady state conditions have been achieved before switching).
f. The potential difference across the 500 resistor after 20ms.
g. Calculate the time taken for the coil current to fall to 20% of its normal running value after
the switch is moved to position 2 (assuming steady state conditions have been achieved
before switching).
f6*
f7
R1
100
& 7
PDF-XChange
hp
Inductor
470mH
f8
8
fg
( 9
f10
7
fm
0
Focus
Dunne, Finlay DF
00 D
f12 num lk
to
Transcribed Image Text:gn 7 Layout References Mailings Review View Help ProjectWise The diagram below shows an inductive circuit. 14 O Unit 19 Electrical and Electronic Principles 2023-24 (1) Protected View Saved to this PC ✓ Of V1 12V 발 a. Explain with the aid of diagrams, the operation of the circuit with the switch first in position 1, and then in position 2. % b. Calculate the total current supplied to the circuit 65ms after the switch is moved to position 1. fs* R2 500 c. The time taken for the voltage across the coil to reach 75% of its initial value. d. The time taken for the coil to become fully energised. e. Calculate the peak voltage at the instant the switch is moved to position 2 (assuming steady state conditions have been achieved before switching). f. The potential difference across the 500 resistor after 20ms. g. Calculate the time taken for the coil current to fall to 20% of its normal running value after the switch is moved to position 2 (assuming steady state conditions have been achieved before switching). f6* f7 R1 100 & 7 PDF-XChange hp Inductor 470mH f8 8 fg ( 9 f10 7 fm 0 Focus Dunne, Finlay DF 00 D f12 num lk to
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