Torque Production and Dynamic Equations

The final forms of the expression for generated EMF and torque,for AC and DC machines differ, because _________

The voltage equation for the electrical system, in an electromechanical energy conversion device is as follows:
v_t=ir+Ldi/dt+i(dL/dθ_r)ω_r = (i)+(ii)+(iii)
What does the (ii) and (iii) terms represent respectively?

The magnitude of electromagnetic or interaction torque, in all rotating machines, is given by ___________

The basic torque and EMF expression of rotating electrical machines are _______

In a rotating electrical machine with 2 poles on the stator and 4 poles on the rotor, spaced equally, the net electromagnetic torque developed is ____________

Torque angle ‘δ’ is the angle between ___________

The interaction torque in a rotating electrical machine depends on which of the following components?
(i) sinδ
(ii) cosδ
(iii) torque angle δ
(iv) stator field strength
(v) rotor field strength

For an inductor made from magnetic core, with two air gaps of equal length g, exciting coil with 1000 turns, A=5cm∗5cm and g=1cm, what will be the coil inductance?

For the development of electromagnetic torque in a rotating electrical machine, the number of rotor poles must be __________