Hllw guyz,naomba msaada wa hili swali.
1. ACustomer needs to get an Electric Circuit which will operate his DC Electric bell which Requires a Voltage input of 12Vdc and Current of 3.5A in his house.
You as an Engineer you have ten resistors of 100R, 220R, 470R, 540R, 600R, 1K, 2.2K, 4.5K, 5.6K...