ELECTRIC CIRCUITS QUIZ

i) In star connection line current is equal to phase current. ii) In delta connection line voltage is equal to phase voltage. For a given phase connected to the particular line which of the statement is true ?

Only (2).

Both (1) and (2).

Only (1).

None of these.

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YOUR ANSWER : ?

For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is

250 pF.

1000 pF.

125 pF.

500 pF.

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following has least resistivity?

Lead.

Copper.

Mercury.

Aluminium.

TRUE ANSWER : ?
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200 resistors of 200 Ω each are connected in parallel. Their equivalent resistance will be

400 Ω.

1 Ω.

4 kΩ.

200 Ω.

TRUE ANSWER : ?
YOUR ANSWER : ?

Absolute permittivity of dielectric medium is represented as

εrε0

εr

εr/ε0

ε0

TRUE ANSWER : ?
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A two port network is defined by the relation The value of Z11 is

-3.

-2/11.

2.

2/11.

TRUE ANSWER : ?
YOUR ANSWER : ?

Condition of reciprocity in Y-parameter representation is

Y12 = Y22.

Y11 = Y12.

Y11 = Y22.

Y12 = Y21.

TRUE ANSWER : ?
YOUR ANSWER : ?

During electroplating the amounts of different substances liberated by same quantity of electricity are proportional to their

chemical equivalents.

atomic numbers.

atomic weights.

valency.

TRUE ANSWER : ?
YOUR ANSWER : ?

While comparing magnetic field and electric circuits, the point of dissimilarity exists while considering

reluctance and resistance.

flux and current flow.

mmf and emf.

permeance and conductance.

TRUE ANSWER : ?
YOUR ANSWER : ?

Mesh analysis is prefered when loops are------nodes

any of the above

equals to

less than

greater than

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