control system

Ohms law applicable at

• Constant Voltage

• constant Temperature

• constant Current

• Non of the above

OHM'S Law for an Inductor

• V= L di/dt

• V= di/dt

• V=dt /di

• all of the above

In which of the following, the capacitor doesn’t allow sudden changes

• Current

• Voltage

• Capacitance

• Resistance

In which of the following, the inductor doesn’t allow sudden changes

• voltage

• resistance

• current

• capacitance

How do u obtain desired speed of an armature controlled DC motor ?

• by varying armature current

• by varying the armature voltage

• by varying emf

• by varying transformer voltage

What does the Thumb indicates?

• current direction

• motion of conductor

• direction of Field flux

The DC motor Works on the principle of

• Mutual Induction

• Electro magnetic Induction

• Self Induction

• all of the above

The Direction of force in DC motor is identified by

• Fleming's Left hand Rule

• Fleming's Right hand Rule

• Lenz's Law

• Faraday's law

the motion taking place in a straight line is known as

• Rotational motion

• translational motion

• both

• none

The motion taking place about an axis

• Rotational motion

• Transalational motion

• both

• None