Q. Solid state relays face high arching problems.

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Q. Solid state relays have only one moving part which helps in switching between “ON” and “OFF” position.

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Q. Which type of snubber network is required at the output terminal of the solid state relays to protect the semiconductor from transient spikes and unwanted noises?

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Q. Which type of solid state relay turns “ON” when a minimum operating control voltage is applied and the load voltage nearly reaches zero?

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Q. Who developed the first Solid state relay?

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Q. Which is an example of relay?

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Q. A good electrical relay contact tip should have higher arc resistance.

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Q. Relay and contactors perform different physical operation.

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Q. Electro mechanical relay’s (EMR) needs to be manually turned “ON” and “OFF”.

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Q. Which type of relay contains a glass tube which contains an inert gas which is used to protect the contacts from corrosion?

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Q. Which electrical relay contact tip material has the highest thermal conductivity?

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Q. A diode has no effect on any electric circuit if its terminals are reversed.

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Q. What is the full form of FET?

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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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