Electrical Engineering Questions And Answers :: Circuits And Circuit Theory: part3



Electrical Engineering : Circuits And Circuit Theory QUESTIONS AND ANSWERS :: part3 : 6 to 10

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

6.Which of the following coil will have large resonant frequency ?

A coil with large resistance
A coil with low resistance
A coil with large distributed capacitance
A coil with low distributed capacitance

7.In AC. circuits, laminated iron is invariably used in order to

reduce eddy current loss
increase heat radiation
make assembly cheap and easier
reduce circuit permeability

8.Time constant of an inductive circuit

increases with increase of inductance and decrease of resistance
increases with the increase of inductance and the increase of resistance
increases with the decrease of inductance and decrease of resistance
increases with decrease of inductance and increase of resistance

9.The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is

4 kVAR
6 kVAR
8 kVAR
16 kVAR

10.In an AC. circuit, a low value of kVAR compared with kW indicates

low efficiency
high power factor
unity power factor
maximum load current

More Circuits And Circuit Theory QUESTIONS AND ANSWERS available in next pages

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