SUGGESTED QUESTIONS FOR THE PRACTICAL EXAMINATION
·
Determine the resistance of a given wire
using metre bridge. Also find the radius of the wire using screw gauge and
hence determine the specific resistance of the material of the wire. Take at
least 4 readings.
·
Determine the value of the horizontal
component of the Earth’s magnetic field, using tangent galvanometer. Take at
least 4 readings.
·
Determine the value of the horizontal
component of the Earth’s magnetic field using the magnetic field produced along
the axial line of the carrying-current circular coil. Take at least 2 readings.
·
Using the spectrometer, measure the
angle of the given prism and angle of minimum deviation. Hence calculate the
refractive index of the material of the prism.
·
Adjust the grating for normal incidence
using the spectrometer. Determine the wavelength of green, blue, yellow and red
lines of mercury spectrum (The number of lines per metre length of the grating
can be noted from the grating).
·
Draw the V-I characteristics of PN
junction diode and determine its forward resistance and knee voltage from
forward characteristics.
·
Draw the V-I characteristics of Zener
diode and determine its forward resistance and knee voltage from forward
characteristics. Also find break down voltage of the Zener diode from reverse
characteristics.
·
Draw the input and transfer
characteristic curves of the given NPN junction transistor in
·
CE mode. Find the input impedance from
input characteristics and current gain from transfer characteristics.
·
Draw the output and transfer
characteristic curves of the given NPN junction transistor in CE mode. Find the
output impedance from output characteristics and current gain from transfer
characteristics.
·
Verify the truth table of logic gates
AND, NOT, Ex-OR and NOR gates using integrated circuits.
·
Verify the truth table of logic gates
OR, NOT, Ex-OR and NOR gates using integrated circuits.
· Verify De Morgan’s first and second theorems.
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