Question: Vsource = 5 V a / when the switch closed for a long time, calculate all branches current and voltage dros on those branches and

Vsource=5V
a/ when the switch closed for a long time, calculate all branches current and voltage dros on those branches and LEDs
b/ at t=0 the switch open, calculate the time of LEDs bright
c/ at t=0 the switch open, calculate by give equation for voltage drops and currents go through all of LEDs.
Vsource = 5 V a / when the switch closed for a

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