ITI Electrician online test in hindi

ITI  Electrician online test in Hindi NETWORK THEOREMS 

NETWORK THEOREMS 

ITI Electrician online test in Hindi: NETWORK THEOREMS Questions and Answers: Types of questions and answers in Network theorem, Network theorem quiz questions, and answers. 

 

1. 1.Kirchhoff s current law states that

A) net current flow at the junction is positive
B) Hebraic sum of the currents meeting at the junction is zero
C) no current can leave the junction without some current entering it.
D) the total sum of currents meeting at the junction is zero

ANSWER= (B) Hebraic sum of the currents meeting at the junction is zero

 

2. According to Kirchhoff's voltage law, the algebraic sum of all IR drops and e.m.fs. in any closed loop of a network is always

A) Negative
B) Positive
C) Determined by battery e.m.fs.
D) Zero

ANSWER= (D) Zero

 

3. Kirchhoff's current law applies only

A) junction in a network
B) closed loops in a network
C) electric circuits
D) electronic circuits

ANSWER= (A) junction in a network

 

4. Kirchhoff voltage law is related to

A) junction currents
B) battery e.m.fs.
C) IR drops
D) both (b) and (c)

ANSWER= (D)both (b) and (c)

 

5. Superposition theorem can be applied only to circuits having

A) resistive elements
B) passive elements
C) non-linear elements
D) linear bilateral elements

ANSWER= (D)linear bilateral elements

 

6. The concept on which the Superposition theorem is based is

A) reciprocity
B) duality
C) non-linearity
D) linearity

ANSWER= (D)linearity

 

7. Thevenin resistance Rth is found

A)by removing voltage sources along with their internal resistances
B) by short-circuiting the given two terminals
C) between any two ‘open’ terminals
D) between the same open terminals as for Etk

ANSWER= (D)between the same open terminals as for Etk

 

8. An ideal voltage source should have

A) large value of e.m.f.
B) small value of e.m.f.
C) zero source resistance
D) infinite source resistance

ANSWER= (C) zero source resistance

 

9. For a voltage source

A) terminal voltage is always lower than the source e.m.f.
B) terminal voltage cannot be higher than source e.m.f.
C) the source e.m.f. and terminal voltage are equal
D) the source e.m.f. and terminal voltage

ANSWER= (B)terminal voltage cannot be higher than source e.m.f.

 

10. To determine the polarity of the voltage drop across a resistor, it is necessary to know the?

A) value of current through the resistor
B) direction of current through the resistor
C) value of a resistor
D) e.m.fs. in the circuit

ANSWER= (B) direction of current through the resistor

 

11. Maximum power output is obtained from a network when the load resistance is equal to the output resistance of the network as seen from the terminals of the load”. The above statement is associated with the?

A) Millman’s theorem
B) Thevenin’s theorem
C) Superposition theorem
D) Maximum power transfer theorem

ANSWER= (D)Maximum power transfer theorem

 

12. Which of the following is a non-linear circuit parameter? system?

A) Inductance
B) Condenser
C) Wire wound resistor
D) Transistor

ANSWER= (A) Inductance.

 

13. A capacitor is generally a

A) bilateral and active component
B) active, passive, linear, and nonlinear component
C) linear and bilateral component
D) non-linear and active component

ANSWER= (C)linear and bilateral component

 

14. Kirchhoff s law is applicable to

A) passive networks only
B) a.c. circuits only
C) d.c. circuits only
D) both a.c. as well d.c. circuits

ANSWER= (D) both a.c. as well d.c. circuits

 

15. Kirchhoff s law does not apply to circuits with

A) lumped parameters
B) passive elements
C) distributed parameters
D) non-linear resistances

ANSWER= (C)distributed parameters