1. A delta circuit has each element of value R/2. The equivalent elements of star circuit with be ?

R/6

R/3

2R

3R

Answer: R/6

Explanation:


2. ln a delta network each element has value R. The value of each element in equivalent star network will be ?

R/6

R/4

R/2

R/3

Answer: R/3

Explanation:


3. The superposition theorem requires as many circuits to be solved as there are ?

sources, nodes and meshes

sources and nodes

sources

nodes

Answer: sources

Explanation:


4. The superposition theorem is applicable to ?

voltage only

current only

both current and voltage

current voltage and power

Answer: current voltage and power

Explanation:


5. Between the branch voltages of a loop the Kirchhoff's voltage law imposes ?

non-linear constraints

linear constraints

no constraints

none of the above

Answer: linear constraints

Explanation:


6. 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

Answer: active network

Explanation:


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

Answer: series with each other

Explanation:


8. Kirchhoff's voltage law applies to circuits with ?

non-linear elements only

linear elements only

linear, non-linear, active and passive elements

linear, non-linear, active, passive, time varying as wells as time-invariant elements

Answer: linear, non-linear, active, passive, time varying as wells as time-invariant elements

Explanation:


9. "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 ?

Millman's theorem

Thevenin's theorem

Superposition theorem

Maximum power transfer theorem

Answer: Maximum power transfer theorem

Explanation:


10. An ideal voltage source should have ?

large value of e.m.f.

small value of e.m.f.

zero source resistance

infinite source resistance

Answer: zero source resistance

Explanation: