(CBS News) When we last checked in on Mehdi Sadaghdar, he was demonstrating "Capacitors" and in quite a bit of pain. Come to think of it, the time before that, when he was demonstrating "Electrostatic ...
Figure-1 shows the schematic diagram of the device. P1 is used to connect the 220V-AC input and the ON/OFF switch to the circuit. C1 is used to reduce the AC voltage. The value of the C1 also ...