Experiment(s):
1. Observe Hall effect in doped semiconductors and determination of charge density and velocity of charge carriers in the lattice
Specifications:
a) Hall effect kit: Consists of
variable constant current power
supply, built in dc digital
millivoltmeter and dc digital
milliammeter, cabinet made of acrylic,
Rated Input: 220 V/50 Hz
or 110 V/60 Hz
short circuit protected
b) Magnet
HE-201: 100 mm dia magnet
with user adjustable pole gap
from 1 mm till 20 mm , capable
of producing magnetic flux of
upto 10K Gauss at 10 mm pole gap
HE-201LC: 50 mm dia magnet
with non adjustable pole gap
fixed at 10 mm, capable of
producing magnetic flux of
upto 5K Gauss at 10 mm pole gap
c) Power supply
HE-201: Heavy duty power
supply with variable constant
current, provided with digital
current meter, max 400 W
HE-201LC: Variable constant
current power supply,
provided with digital current
meter, max 60 W
d) Gauss meter: Measures
magnetic flux upto 20K Gauss
detachable gauss probe
e) Hall probe: HE-201:
Available in n-type and p-type
mounted on PCB with a holder
HE-201LC:- Available in n-type
mounted on PCB with a holder