Question: ( 3 marks ) In the retentive timer shown, the settings are as follows: Preset time = 4 7 0 , Time base = 0

(3 marks) In the retentive timer shown, the settings are as follows: Preset time =470, Time base =0.1. If switch A is closed at t=0s, then opened at t1=13s and closed again at t2=27s, as shown in the timing diagram. When will the yellow light be turned on?
at t=
s.
( 3 marks ) In the retentive timer shown, the

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