ELECTRIC CIRCUITS QUIZ

By which of the following elements transients will not occur?

L

R

All of these

C

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YOUR ANSWER : ?

For balanced star load, if unbalanced line current are IR, IY, IB equal to - j10, - j10 and - j20 respectively, the neutral current will be equal to

(-9.66 + j5) A.

(-8.66 - j5) A.

(8.66 + j5) A.

(8.66 - j5) A.

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YOUR ANSWER : ?

In series R, L circuit power factor can be defined as

R/Z

P/S

All of these

Vr/V

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The indication of the state of charge of a battery is best given by

specific gravity of electrolyte.

temperature of electrolyte.

colour of electrolyte.

level of electrolyte.

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During electroplating the weight of substance deposited depends on

room temperature.

quantity of electricity.

shape of article.

atmospheric humidity.

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Flux in a magnetic circuit can be compared in an electric circuit to

current.

voltage.

inductance.

resistance.

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In the circuit given below the value of resistance Req is

10 Ω.

11.18 Ω.

25 Ω.

11.86 Ω.

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Current source has internal impedance connected in parallel with it whereas voltage source has internal impedance connected in __________________ with it.

none of them

both of above

series

parallel

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What is form factor?

Instantaneous value / Average value.

Average value / R.M.S. value.

R.M.S. value / Average value.

Average value / Peak value.

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The energy required to charge a 10 μF capacitor to 100 V is

5 × 10-9 J.

10 × 10-9 J.

0.05 J.

0.01 J.

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