27. When speed of a dc motor increases, the armature current(1) Increases(2) Decreases(3)Does not change(4) Increases and decreases continuously
![DC motors characteristics, Torque & Speed Equations, Torque -Armature current/ Speed - Armature current/ Torque-speed characteristics, Speed Control | PPT DC motors characteristics, Torque & Speed Equations, Torque -Armature current/ Speed - Armature current/ Torque-speed characteristics, Speed Control | PPT](https://image.slidesharecdn.com/4-210202101245/85/dc-motors-characteristics-torque-speed-equations-torque-armature-current-speed-armature-current-torquespeed-characteristics-speed-control-10-320.jpg?cb=1670812866)
DC motors characteristics, Torque & Speed Equations, Torque -Armature current/ Speed - Armature current/ Torque-speed characteristics, Speed Control | PPT
![The field current in shunt DC machine is 2 A and the line current is 20 A at 200 V. Calculate the (i) Generated EMF when working as generator (ii) Torque in The field current in shunt DC machine is 2 A and the line current is 20 A at 200 V. Calculate the (i) Generated EMF when working as generator (ii) Torque in](https://www.yawin.in/wp-content/uploads/2023/09/dcm1-706x1024.jpg)
The field current in shunt DC machine is 2 A and the line current is 20 A at 200 V. Calculate the (i) Generated EMF when working as generator (ii) Torque in
![SOLVED: The block diagram model of an armature-current-controlled DC motor is shown below. DC motor K/(s+0.01) R(s) a Determine the steady-state tracking error to a ramp input r(t) = t, t > SOLVED: The block diagram model of an armature-current-controlled DC motor is shown below. DC motor K/(s+0.01) R(s) a Determine the steady-state tracking error to a ramp input r(t) = t, t >](https://cdn.numerade.com/ask_images/7e792a0881084e29b5902ad36d115c46.jpg)
SOLVED: The block diagram model of an armature-current-controlled DC motor is shown below. DC motor K/(s+0.01) R(s) a Determine the steady-state tracking error to a ramp input r(t) = t, t >
![How to find armature current in DC shunt motor in given question? - Electrical Engineering Stack Exchange How to find armature current in DC shunt motor in given question? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/Wxs5X.jpg)