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1. NETWORK ANALYSIS
MCQ PART (II)
JE/SSC/RRB/PSCProf.Prasant Tiwari

2. NETWORK ANALYSIS
23. The resistance of a conductor having
length l ,area of cross section a and resistivity
ρ is given as:
a) ρa/l
b.) ρl/a
c). ρla
d). l/ρ
Ans: b

3. NETWORK ANALYSIS
22. A network which contains one or more
than one source of e.m.f. is known as
(a) linear network
(b) non-linear network
(c) passive network
(d) active network
Ans: d

4. NETWORK ANALYSIS
24. The superposition theorem is applicable to
(a) linear, non-linear and time variant responses
(b) linear and non-linear resistors only
(c) linear responses only
(d) none of the above
Ans: c

5. NETWORK ANALYSIS
26. The superposition theorem is applicable to
(a) voltage only
(b) current “only
(c) both current and voltage
(d) current voltage and power
Ans: d

6. NETWORK ANALYSIS
27. Cells are connected in series in order to
increase the
(a)current capacity
(b)life of the cells
(c)voltage rating
(d)terminal voltage
Ans: c

7. NETWORK ANALYSIS
28. A passive network is one which contains
(a) only variable resistances
(b) only some sources of e.m.f. in it
(c) only two sources of e.m.f. in it
(d) no source of e.m.f. in it
Ans: d

8. NETWORK ANALYSIS
29. A terminal where three on more
branches meet is known as
(a) node
(b) junction
(c) combination
(d) anode
Ans: b

9. NETWORK ANALYSIS
30. Which of the following is the passive
element ?
(a) Capacitance
(b) Ideal current source
(c) Ideal voltage source
(d) All of the above
Ans: a

10. NETWORK ANALYSIS
31. Which of the following is a bilateral
element ?
(a) Constant current source
(b) Constant voltage source
(c) Capacitance
(d) None of the above
Ans: c

11. NETWORK ANALYSIS
32. A closed path made by several branches of
the network is known as
(a) branch
(b) loop
(c) Circuit
(d) junction
Ans: b

12. NETWORK ANALYSIS
33. The capacity of a battery is expressed in
a).Amperes
b.) amperes-hour
c. )watts
d.) watt-hour
Ans: b

13. NETWORK ANALYSIS
34. A current of 16 amperes divides between
two branches in parallel of resistances 8
ohms and 12 ohms respectively. The current
in each branch is
(a) 6.4 A, 6.9 A
(b) 9.6 A, 6.4 A
(c) 4.6 A, 6.9 A
(d) 4.6 A, 9.6 A
Ans: b

14. NETWORK ANALYSIS
35. In a circuit a 33 ohm resistor carries a
current of 2 A. The voltage across the
resistor is
(a) 33 V
(b) 66 v
(c) 80 V
(d) 132 V
Ans: b

15. NETWORK ANALYSIS
36. A light bulb draws 300 mA when the
voltage across it is 240 V. The resistance of
the light bulb is
(a) 400 Ω
(b) 600 Ω
(c) 800 Ω
(d) 1000 Ω
Ans: c

16. NETWORK ANALYSIS
37. The resistance of a parallel circuit
consisting of two branches is 12 ohms. If the
resistance of one branch is 18 ohms, what is
the resistance of the other ?
(a) 18 Ω
(b) 36 Ω
(c) 48 Ω
(d) 64 Ω
Ans: b

17. NETWORK ANALYSIS
38. Three 60 W bulbs are in parallel across
the 60 V power line. If one bulb burns open
(a) there will be heavy current in the main line
(b) rest of the two bulbs will not light
(c) all three bulbs will light
(d) the other two bulbs will light
Ans: d

18. NETWORK ANALYSIS
39. With rise in temperature the resistance of
pure metals
(a) Increases
(b) decreases
(c) first increases and then decreases
(d) remains constant
Ans: a

19. NETWORK ANALYSIS
40. One newton meter is same as
(a) one watt
(b) one joule
(c) five joules
(d) one joule second
Ans: b

20. NETWORK ANALYSIS
41. Conductance : mho ::
(a) resistance : ohm
(b) capacitance : henry
(c) inductance : farad
Ans: a

21. NETWORK ANALYSIS
42. .An instrument which detects
electric current is known as
(a) voltmeter
(b) rheostat
(c) wattmeter
(d) galvanometer
Ans: a

22. NETWORK ANALYSIS
43.Ohm's law is not applicable to
(a)vacuum tubes
(b) carbon resistors
(c) high voltage circuits
(d) circuits with low current densities
Ans: a

23. NETWORK ANALYSIS
44. Which is the best conductor
of electricity ?
(a) Iron
(b) Silver
(c) Copper
(d) Carbon
Ans: b

24. NETWORK ANALYSIS
45. International ohm is defined in terms
of the resistance of
(a) a column of mercury
(b) a cube of carbon
(c) a cube of copper
(d) the unit length of wire
Ans: a

25. NETWORK ANALYSIS
46. Bulbs in street lighting are all
connected in
(a)Parallel
(b) series
(c) series-parallel
(d) end-to-end
Ans: a

26. NETWORK ANALYSIS
47. For testing appliances, the
wattage of test lamp should be
(a) very low
(b) low
(c) high
(d) any value
Ans: c

27. NETWORK ANALYSIS
48.For which of the following
'ampere second' could be the unit ?
(a) Reluctance
(b) Charge
(c) Power
(d) Energy
Ans: b

28. NETWORK ANALYSIS
49.A 3 ohm resistor having 2 A
current will dissipate the power of
(a) 2 watts
(b) 4 watts
(c) 6 watts
(d) 12 watt
Ans: d

29. NETWORK ANALYSIS
50. Which of the following quantities remain
the same in all parts of a series circuit ?
(a) Voltage
(b) Current
(c) Power
(d) Resistance
Ans: c