From b41a06dceaa2b4432900db98c49e55118b77fdef Mon Sep 17 00:00:00 2001 From: thing1 Date: Fri, 20 Sep 2024 17:56:55 +0100 Subject: pushed alot to the stdlib --- electronics/test/test2.year2.txt | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 electronics/test/test2.year2.txt (limited to 'electronics/test/test2.year2.txt') diff --git a/electronics/test/test2.year2.txt b/electronics/test/test2.year2.txt new file mode 100644 index 0000000..203e5c1 --- /dev/null +++ b/electronics/test/test2.year2.txt @@ -0,0 +1,40 @@ +5) +the circit should work at night as, the ldr will dawf the other resistor + +the circit will not work at day as the ldr is still 400 OHM's which is +higher than the 100 OHM resistor + +because the bulb has a resistance of 100 OHM's it will not work as expected + +this will cause the bulb to never be properly on as the resistance in the bulbs branch +will limit the voltage through it to be <100 OHM's and thus it wont get 6V over it + +to fix this a voltage follower can be place between the bulb and the potential divider +to keep the impedances at the right locations + +(see book for details) +6)a)i) in book +6)a)ii) in book +6)a)iii) when the switch is releases the voltage over the capacitor will be at 8.65 V +this will mean the led is on. +when it falls to 6V the capacitor will make the logic gate switch 3.34 seconds after the switch +is released, this will cause the not gate to switch and the led to be on +6)b)i) in book +6)b)ii) in book + +7)a) in book +7)b)i) in book +7)b)ii) in book +7)b)iii) in book +7)b)iv) in book +7)b)v) in book + +8)a) in book +8b) in book +8)c)i) because it has a higher input imedance +8)c)ii) in book +8)c)iii) in book +8)d)i) in book +8)d)ii) to smooth the signal of noise +8)d)iii) in book +8)d)e) in book -- cgit v1.2.3