E/M By Helical Method

E/m by Helical Method

Objective :Determine the value of e/m of an electron by Helical method.

Technical Specifications :

• Inbuilt Variable DC power supplies :
• HT. DC power supply
• Output Voltage : 375V to 850V ( Variable)
• DC power supply for solenoid
• Output Voltage : 0-60V (Variable)
• On Board Analog Moving Coil Meters  
• Voltmeter : 0-1000 VDC
• Ammeter : 0-1.5A DC
• Potentiometers are mounted on the front panel for focus control, intensity Control & X, Y shift controls.
• Eight-pin octal base is mounted on front panel to connect the CRT plug.
• One long solenoid round on 4 dia PVC pipe with 23 wire gauge, mounted on wooden stand.
• CRT is mounted in stand so as to slide inside the solenoid.
• Power requirement : 230 VAC 10%, 50Hz.
• Weight : 6.2 Kg Approx.

• Cathode Ray Tube (CRT) fitted in stand.
• Long solenoid.
• Patch chords & Instruction manual