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Product Code: PHY-422
FET mounted on 90 x 90 x 30 mm base.
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Product Code: PHY-425
Fitted in a painted case, with four meters and built in regulated power supply suitable for both common base .
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Product Code: PHY-411
Comprises a double diode valve type E.B 91 or equivalent is mounted on a standard box 90 x 90 x 30
mm with sockets for two anodes, heater and cathode. For experiments in diode characteristics
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Product Code: PHY-412
A triode valve is mounted on two part plastic box 90 x 90 x 30 mm with sockets for anode, heater,
cathode, grid etc.For experiments in triode characteristics.
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Product Code: PHY-413
Fitted with diode valve in the front panel. Workable on 220 V with stabilised power supply. Two meters
are provided to read voltage and current.Output:HT: 0-250 volts at 25 mA continuously variable L.T: 6.3
volts a.c.
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Product Code: PHY-414
Fitted with triode valve Workable on 230 V with stabilised power supply. Provided with three meters for
HT voltage, output current and bias voltage.Output:H.T:0-300 volts d.c. at 30 mA, continuously
variable Bias: 0-25 volts d.c. at 5 mA, continuously variable L.T. : 6.3 volts a.c.
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Product Code: PHY-415
Provided with stabilised dual power supply, five meters. For tetrode/pentode valve experiments. H.T-1:
0-300 volts d.c. at 30 mA continuously variable.H.T-2: 0-300 volts d.c. at 30 mA continuously
variable.Bias: 10 volts d.c. floating.L.T.: 6.3 volts a.c. at 2 amps.
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Product Code: PHY-416
Mounted on base.
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Product Code: PHY-417
Zener diode mounted on base.
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Product Code: PHY-418
With a transistor mounted on base.
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Product Code: PHY-419
With a transistor mounted on base.
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Product Code: PHY-420
To show change of resistance with temperature. A thermistor mounted at end of a 2-core flying lead
with 4 mm plug ends.
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Product Code: PHY-421
Unijunction transistor mounted on base.
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Product Code: PHY-423
A power transister mounted on 90 x 90 x 30 mm base.
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Product Code: PHY-424
Mounted on 90 x 90 x 30 mm base, a sensitive photo-voltaic solar cell.
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