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SSC JE AC Fundamentals Quiz 56
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Question 1
If the potential drop across a circuit be represented by (40 + j 25) V with reference to circuit current and power absorbed by the circuit is 160 W, the complex expression for impedance is
Question 2
In rectangular form, conductance will be written as
Question 3
In Fig., the magnitude of the circuit impedance is
Question 4
If the load connected to the 3-phase generator shown in figure has a leading p.f. of cos ϕ, then angle between VRY and IR is …………
Question 5
Three 50-ohm resistors are connected in star across 400 V, 5-phase supply. If one of the resistors is disconnected, then, line current will be …………..
Question 6
The delta-connected generator shown in figure has phase voltage of 200 V on no-load. If connections of one of the phases is reversed, then, resultant voltage across the mesh is ………………..
Question 7
Two batteries of different e.m.f.s and same internal resistances are connected in series with an external resistance and current is 3 A. When polarity of one is reversed, the current is 1 A. The ratio of e.m.f.s is
Question 8
The resistance between P and Q in the circuit shown in Fig. is
Question 9
A cell supplies a current of 0.9 A through external resistance and 0.3 A through external resistance. The internal resistance of the cell is
Question 10
It is known that the potential difference across 6Ω resistor in figure is 48 V. The entering current I is
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