Category: E/m experiments

Objective : To study charge of an electron.
Features : Kit Comprises of High Voltage Power Supply Unit with intensity, focus X, Y, deflection & Solenoid current controls. Two metes are provided in Power Supply for Acceleration Voltage control & for solenoid current controls. One Solenoid Unit
Comprises of one Solenoid mounted on Wooden stand & CRT is kept in the solenoid pipe

Objective : To study charge of an electron by using Magnetic Focusing method.
Features : Kit comprises of High Voltage Power Supply with intensity, focus, X, Y deflection & Solenoid current controls. One Solenoid Unit Comprises of 3” CRT mounted on Teak Wood Stand & one Ring Type Solenoid slides over the CRT

To determine the electrical charge of electron & demonstrating the quantum nature of charge measuring the suspension voltage & falling speed

Objective : To study charge of an electron using short solenoid method.
Features : Kit comprises of Low Voltage DC Power Supply Unit with filament voltage& Solenoid current controls. Two meters are provided for Anode Voltage controls. One Solenoid Unit Comprises of one Solenoid mounted on Wooden stand & Valve 41 is kept in the Solenoid pipe.

Objective : To study charge of an electron using Thomson method.
Features : High voltage Power Supply with One Meter provided to measure the deflection voltage. Complete with Intensity, Focus & Deflection controls. It is provided with accessories such as compass box, set of ELNICO magnets, Teak wood stand with CRT mounted, Teak wood U stand with scale on both the arms for placing magnets.

Instrument consists of power supply for G.M. Tube with digital readout meter. 6 digit counting system with its power supply. Controls for reset, start & stop through in panel. One presetable timer with 3 digit display & thumb wheel switch. Complete with G.M. Tube stand & one radio active source B.