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Scintillation Counters and Photomultiplier Tubes

A simple voltage divider

Battery

Vbatt = 9 Volts

2 R

4 R

a

b

Current, I

(amperes)

+

-

Voltmeter

here

Greek omega for

resistance unit, Ohms

You have “divided” the 9 Volt battery: 3 Volts and

6 Volts are now accessible with this circuit.

Measured with voltmeter between points (a) and (b)

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