1 OCTOBER 2021 CURRENT AFFAIRS QUIZ

Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A.

0.5

2.56

3.149

1

TRUE ANSWER : ?
YOUR ANSWER : ?

The capacitance of a conductor is varying from 2 microfarad to zero in 1 sec linearly if the voltage applied to it is 6 V the energy stored in 0.5 sec in the condenser is

18 µ joules.

55.1 µ joules.

10 µ joules.

20 µ joules.

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A p.d. of 300 V is applied across series combination of 3 μF and 9 μF capacitors. The charge on each capacitor is ___________________ μC.

240.

7.5.

675.

3600.

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YOUR ANSWER : ?

In foster 1 form 1st element is

inductor.

capacitor.

none.

both.

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

less than

greater than

any of the above

equals to

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YOUR ANSWER : ?

Which property is used to oppose the flow of current ?

Resistance

Capacitance

Poteintial difference

Inductance

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YOUR ANSWER : ?

Disadvantages of constant k type filter

attenuation does not increase rapidly beyond cut off frequency.

none of these.

characteristic impedance unchanged in pass band.

both A and B.

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Say A point has an absolute potential of 40 V and point B has an absolute potential of - 10 V, then what will be the value of VBA ?

none of above.

50 V.

- 50 V.

30 V.

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YOUR ANSWER : ?

What is the frequency of domestic power in India?

60 Hz.

220 Hz.

70 Hz.

50 Hz.

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YOUR ANSWER : ?

A load is connected to an active network. At the terminals to which the load is connected, RTH = 10 Ohm, VTH = 60V. Then maximum power supplied to the load is

360W.

90W.

180W.

60W.

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YOUR ANSWER : ?

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