a) Increases its line capacitance b) Increases its line inductance c) Decreases its line capacitance d) None of these Ans: (a)
a) (RL RO)/(RO +RL ) b) (RL -RO)/(RL +RO ) c) (RL +RO)/(RL -RO ) d) (RL RO)/(RO RL ) Ans: (b)
a) Shunt capacitor. b) Series capacitors. c) It is same for both series and shunt. d) None of these. Ans: (a)
a) 0 b) 1/4 I02 R c) 1/3 I02 R d) 1/2 I02 R Ans: (c)
a) Short circuiting of line by the load b) Leakage over the insulator c) Radial over the insulator d) Axial current in the conductor Ans: (b)
a) Step down transformer b) Over voltage relay c) Switch gear d) Lightning arrestor Ans: (d)
a) Its own weight and weight of the ice formed b) Temperature and wind condition c) Both (a) and (b) above d) None of these Ans: (c)
a) 0 b) Ia+Ib+Ic c) (Ia+Ib+Ic)/2 d) √2(Ia+Ib+Ic) Ans: (b)
a) The same b) Less c) Greater d) Not directly related Ans: (d)
a) 8 b) 12 c) 16 d) 24 Ans: (d)