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E M By Thomson Method Bar Magnet Method

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Product Details:

Apparatus Type	Type of Experiment: Physics Laboratory Experiment (Electromagnetism / Electron Properties)
Usage Level	College Lab
Material Of Construction	Wooden, Glass, Metal, Acrylic
Voltage Rating	220 – 230 V AC, 50 Hz
Included Power Source	0 – 50 V DC (variable)
Mounting Type	Panel Mounted
Supplied Accessories	Support Stand

E/M by Thomson / Bar Magnet Method
To determine the specific charge (e/m) of an electron using J. J. Thomson’s bar magnet method.
Technical Specifications :

Power supply, fitted with a Voltmeter to measure the deflecting voltage Voltmeter 0-50V 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.
Cathode Ray tube (CRT) is mounted on the wooden stand.
Bar magnets : 1 pair.
Compass box : 1No.
Wooden stand having two arms, fitted with scales to measure the distance of the poles of the magnets and also accommodate cathode ray tube in its middle.
Another wooden stand is also provided to place the compass box in the center.
This wooden stand can also be mounted in the middle of the arm stand.
Power requirement : 230 VAC 10%, 50Hz. The e/m by Thomson / Bar Magnet Method Apparatus is used to determine the charge-to-mass ratio (e/m) of an electron using a Cathode Ray Tube (CRT) with electric and magnetic fields.Experiment Voltage Rating (Typical Specifications)

Component	Voltage Rating
CRT Heater (Filament Supply)	6.3 V AC / DC
Accelerating Voltage	150 – 300 V DC
Deflection Plate Voltage	0 – 50 V DC (variable)
Power Supply Input	220 – 230 V AC, 50 Hz