12. If the value of C in a series RLC circuit is decreased, the resonant frequency ________.
(a) is not affected
(c) is reduced to zero
|Subject Name : Electrical Engineering|
|Exam Name : IIT GATE, UPSC ESE, RRB, SSC, DMRC, NMRC, BSNL, DRDO, ISRO, BARC, NIELIT
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5555555555 16. If the resistance in parallel with a parallel resonant circuit is reduced, the bandwidth ________. (a) disappears (b) becomes sharper (c) increases (d) decreases 5555555555 14. The complex number 40 ∠55° is equivalent to ________. (a) 55 + j55 (b) 40 + j40 (c) 45.88 + j65.52 (d) 22.94 + j32.76 5555555555 13. The total power in a certain circuit is 12 W. Each of the four equal-value series resistors making up the circuit dissipates ________. (a) 12 W (b) 48 W (c) 3 W (d) 8 W 5555555555 16. When the frequency of the voltage applied to a series RC circuit is increased, the phase angle ________. (a) increases (b) decreases (c) remains the same (d) becomes erratic 555555555517. When the frequency of the voltage applied to a series RC circuit is decreased, the impedance (a) increases (b) decreases (c) remains the same (d) doubles