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Electric Circuits

Electric Circuits
From the circuit diagram shown in question 1 find the Norton current.

 1 A.
 2 A.
 2.5 A.
 4 A.

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Electric Circuits
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The phase angle of current in respect of supply voltage will be

 20.2o.
 40.4o.
 28.8o.
 32.1o.

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Electric Circuits
Three resistors each R Ohm is connected to form a triangle. The equivalent resistance across any terminals is

 3R/2.
 2R/3.
 R.
 R/2.

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Electric Circuits
Fillers in a lead acid battery are provided

 all of above.
 to recover acid loss through vapours.
 to facilitate flow of gases.
 to prevent flow of gases.

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Electric Circuits
In which of the circuits power factor can be zero?

 inductive.
 capacitive.
 both ‘a’ and ‘b’
 resistive.

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Electric Circuits
Three capacitors each of capacity C are given. The resultant capacity (2/3) C can obtained by using them

 two in parallel and third in series with this combination.
 two in series and third in parallel across this combination.
 all in series.
 all in parallel.

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