Resistivity of a wire depends on 

(A) length 

(B) material 

(C) cross section area 

(D) All of the above. 

In Series Connection of elements _______Parameter is Same 

(a) Current 

(b)Voltage 

(c) Power 

(d) None of these

What will be the resistance if 10 resistors of 10 ohm each is connected in series 

(A)100 Ω 

(B)1 Ω 

(C) 0.1 Ω 

(D)10 Ω.

The rotor preferred for a low speed hydrogenerator is _______

(A) Salient pole 

(B)Non salient pole 

(C) Both 

(D)None

In parallel Connection of elements ________ Parameter is Same 

(a) Current 

(b) Voltage 

(c) Power 

(d) None of these

 The self inductance is written as follows 

(a) L=NØ/I 

(b) L=Ø/I 

(c) L=V/dI/dt 

(d) All

A passive element in a circuit is one which

(A)Receives energy 

(B) Supplies energy 

(C) both supplies and receives energy 

(D) none

 Ohm is Unit Of All Of The Following Except 

(A) Inductive Reactance

(B) Capacitive Reactance 

(C) Resistance 

(D) Capacitance

In modern alternators the rotating part is _______

(A) Field 

(B) Armature 

(C) Both 

(D)None

The relative speed between stator and rotor fluxes is equal to 

(A) Synchronous speed Ns 

(B) Rotor speed N 

(C) Zero 

(D) Ns – N