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Network Theorems free Model online Test2
Network Theorems free Model online Test2
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1. For high efficiency of transfer of power, internal resistance of the source should be _____.
equal to the load resistance
less than the load resistance
more than the load resistance
none of the above
2. Efficiency of power transfer when maximum transfer of power c xurs is _____.
100%
80%
75%
50%
3. If resistance across LM in Fig. 2.30 is 15 ohms, the value of R is ______.
10 Q
20 Q
30 Q
40 Q
4. For maximum transfer of power, internal resistance of the source should be ______.
equal to load resistance
less than the load resistance
greater than the load resistance
none of the above
5. If the energy is supplied from a source, whose resistance is 1 ohm, to a load of 100 ohms the source will be _____.
a voltage source
a current source
both of above
none of the above
6. The circuit whose properties are same in either direction is known as _____.
unilateral circuit
bilateral circuit
irreversible circuit
reversible circuit
7. In a series parallel circuit, any two resistances in the same current path must be in ____.
series with each other
parallel with each other
series with the voltage source
parallel with the voltage source
8. The circuit has resistors, capacitors and semi-conductor diodes. The circuit will be known as _____.
non-linear circuit
linear circuit
bilateral circuit
none of the above
9. A non-linear network does not satisfy ____.
superposition condition
homogeneity condition
both homogeneity as well as superposition condition
homogeneity, superposition and associative condition
10. An ideal voltage source has ______.
zero internal resistance
open circuit voltage equal to the voltage on full load
terminal voltage in proportion to current
terminal voltage in proportion to load
11. A network which contains one or more than one source of e.m.f. is known as ______.
linear network
non-linear network
passive network
active network
12. The superposition theorem is applicable to _____.
linear, non-linear and time variant responses
linear and non-linear resistors only
linear responses only
none of the above
13. Which of the following is not a nonlinear element ?
Gas diode
Heater coil
Tunnel diode
Electric arc
14. Application of Norton's theorem to a circuit yields ______.
equivalent current source and impedance in series
equivalent current source and impedance in parallel
equivalent impedance
equivalent current source
15. Millman's theorem yields ______.
equivalent resistance
equivalent impedance
equivalent voltage source
equivalent voltage or current source
16. The superposition theorem is applicable to ______.
voltage only
current only
both current and voltage
current voltage and power
17. Between the branch voltages of a loop the Kirchhoff s voltage law imposes ______.
non-linear constraints
linear constraints
no constraints
none of the above
18. A passive network is one which contains ______.
only variable resistances
only some sources of e.m.f. in it
only two sources of e.m.f. in it
no source of e.m.f. in it
19. A terminal where three on more branches meet is known as _____.
node
terminus
combination
anode
20. Which of the following is the passive element ?
Capacitance
Ideal current source
Ideal voltage source
All of the above
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