Q. Which passive element of a circuit is represented by a zig-zag line composed of sharp edged and even distributed alternating crests and troughs?

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Q. A JFET (Junction Field effect transistor) is a current controlled device.

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Q. Who discovered the magnetic effect of electric current?

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Q. What is the working principle of DC motor?

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Q. What is the full form of CPR with respect to motor movement?

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Q. How many leads does a 2 phase bipolar stepper motor have?

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Q. Speed of an induction motor remains same even if we increase the rotor resistance.

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Q. Speed control of an ac motor can be achieved by varying the input frequency.

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Q. Which finger denotes the direction of current in Fleming’s left hand rule?

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Q. Which type of motor is not an encoder motor?

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Q. Who invented Induction motor?

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Q. Which finger denotes the direction of magnetic field in Fleming’s left hand rule?

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Q. Which is an example of motor driver?

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Q. Which is an example of single H-bridge type motor driver?

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Q. AC motors do not have brushes.

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Q. How many windings does a 2 phase bipolar stepper motor have?

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Q. Which finger denotes the direction of force in fleming’s left hand rule?

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Q. Which type of device is a stepper motor?

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Q. The speed of the rotation of the stepper motor depends on ________

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Q. Stepper motors are extremely reliable.

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