Wednesday, September 26, 2012
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Roll No. ......................
Total No. of Questions : 13] Total
No. of Pages : 02
Paper ID [A2007]
(Please fill this Paper
ID in OMR Sheet)
B.Sc. IT (Integrated)
IBSIT (202) (Old) (Sem. - 2nd)
BASIC SCIENCES AND
HUMANITIES – II
Time : 03 Hours Maximum
Marks : 75
Instruction to Candidates:
1) Section - A is Compulsory.
2) Attempt any Nine questions from Section - B.
Section - A<
(15 × 2 = 30)
Q1)
a) What are the number of
electrons crossing per second if the current is 2A?
b) Name charge carriers
for
(i) Conductor (ii)
Semiconductor (iii) Gases
c) Find current through
each resistance
d) What is see-back
effect?
e) Convert 40 kwh into
Joules.
f) What is electric
energy?
g) What is resistivity
and conductance?
h) What are the
applications of thermoelectricity?
i) What are the
applications of heating effect of current.
j) Why resistance of
conductor increases with temperature?
k) What are ohmic and
non-ohmic conductors?
l) Define neutral
temperature.
m) State Kirchhoff’s I
and II Laws.
n) What is electroplating?
o) Write the colour
coding for 150 kÙ _ 10% resistance.
Section - B
(9 × 5 = 45)
Q2) Explain colour coding of resistors.
Q3) Explain the working of dry cell.
Q4) There are two bulbs marked 60 W, 220 V
and 100 W, 220 V. When both are connected in series to 220 V. What will be the
total power consumption?
Q5) What is the amount of heat generated,
when current of 4A flows through a wire of 16.5 Ù for one month?
Q6) What is Wheatstone bridge? Obtain its
condition using Kirchhoff’s laws.
Q7) Using Kirchhoff’s law, calculate
current through the battery.
Q8) Obtain the expression for net
resistance when No.of resistances are connected in
(a) Series. (b) Parallel.
Q9) What is Joule’s law of heating? What is
the function of fuse wire?
Q10) What is electric current?
Define steady, varying, and alternating current.
Q11) What are Faraday’s laws?
Explain with illustrations.
Q12) What do you understand by
the resistance of conductor? What are the factors on which it depends?
Q13) The resistance at temp.
of 50ºC is 10Ù and 12Ù at 80ºC. What will be its resistance at 0ºC?
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