ET is one of
the core subjects of Engineering for all branches of first semester engineering
in Delhi. Tejas Engineers Academy offers Engineering tuitions in Delhi for
Electrical Technology for both first semester as well as second semester for
all major universities. Following is the schedule and details of Electrical
Technology lecture in our institute.
Brief
Details:- In this lecture we will cover Moving Coil, Moving Iron and
dynamometer type of instruments.
Moving Iron
instrument consists of a coil of copper having many turns. There is an iron
spindle in front of the coil axis. Iron spindle is connected to weight to
balance the spindle in equilibrium position. Iron spindle is also connected to
a pointer which moves on a scale. Spindle is also connected to an air chamber
provided with a piston. Purpose of air chamber is to provide air friction
damping to the needle to avoid unnecessary oscillations of pointer.
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