Electric snow course courseware

&Static electricity is a kind of static charge. In the dry and windy autumn, in daily life, people often encounter this phenomenon: at night, when they take off their clothes and go to sleep, they often hear the crackling sound in the dark, accompanied by blue light. When they meet and shake hands, when they just touch each other, they will suddenly feel the prickling pain of their fingertips, which makes people lose their color. When they get up in the morning and comb their hair, they will often "float"; When you get up, you will get more and more disordered. When you pull the door handle and turn on the faucet, you will always make a sound of "pa", "pa", which is the static electricity in the human body. This course introduces static electricity of objects.

Objectives of the experiment:If the charge is difficult to neutralize in the process of separation, the charge will accumulate and make the body bring static electricity. So when objects are separated from other objects, they carry static electricity.
Experimental cognition:
Battery box: as the name suggests, the box for installing fixed battery is the battery power output device

DC motor: It is composed of stator and rotor. DC motor is a motor that converts DC energy into mechanical energy. Because of its good speed regulation performance, it is widely used in electric drive. DC motors are divided into permanent magnet, separate excitation and self-excitation, among which self-excitation is divided into parallel excitation, series excitation and compound excitation.

Switches: devices for switching on and off the power supply
Static Electricity Cup: Carrier for Loading Foam Particles
Foam Particles: Description of the main components of electrostatic generation

Experimental steps:
1., we are prepared to recognize experimental equipment: base, switch, conductor, DC motor, battery box, electrostatic cup, foam particle, double-sided adhesive.