## “In any network containing more than one sources of e.m.f. the current…

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# Network Theorems

## A passive network is one which contains____________?

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 itD. no source of e.m.f. in it

## Which of the following is the passive element?

Which of the following is the passive element? A. Capacitance B. Ideal current source C. Ideal voltage source D. All of the above

## A star circuit has element of resistance R/2. The equivalent delta elements will be_____________?

A star circuit has element of resistance R/2. The equivalent delta elements will be_____________? A. R/6B. fi? C. 2R D. 4R

## The number of independent equations to solve a network is equal to_____________?

The number of independent equations to solve a network is equal to_____________? A. the number of chords B. the number of branches C. sum of the number of branches and chords D. sum of number of branches, chords and nodes…

## Millman’s theorem yields____________?

Millman’s theorem yields____________? A. equivalent resistance B. equivalent impedance C. equivalent voltage sourceD. equivalent voltage or current source

## A network which contains one or more than one source of e.m.f. is known as___________?

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 networkD. active network

## The circuit has resistors, capacitors and semi-conductor diodes. The circuit will be known…

The circuit has resistors, capacitors and semi-conductor diodes. The circuit will be known as___________? A. non-linear circuit B. linear circuit C. bilateral circuit D. none of the above

## For maximum transfer of power, internal resistance of the source should be_____________?

For maximum transfer of power, internal resistance of the source should be_____________? A. equal to load resistance B. less than the load resistance C. greater than the load resistance D. none of the above…

## Efficiency of power transfer when maximum transfer of power c xerosis

Efficiency of power transfer when maximum transfer of power c xerosis A. 100% B. 80% C. 75%D. 50%

## The resistance LM will be____________?

The resistance LM will be____________? A. 6.66 Q B. 12 Q C. 18Q D. 20Q