Answer Posted / pulin vaidhya

Encoder is basically a electro-mechinecal device which is
used for counting pulse of the motion/speed or in other
language you can say it is used for motion/speed measurement
and give us feedback data of the motion/speed. With this
device we can synchronize our PLC output with respect to
actual motion/speed.

What is a dsp?

1181

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2191

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How to measure frequency without cro?

1055

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What is the difference between application of dc current and application of ac current to an electronic circuit. what are the changes it causes.

2110

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974

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1041

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1567

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1792

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Which type of devicesa used for detection of radio active field in side the reactor building?

2093

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What is the difference between the bandwidth of half duplex and simplex transmission?

985

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What is the difference between dcs & plc & scada?

1243

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Is the output power different from input power.?  rated input voltage” Is that the voltage we give to the driver or the voltage which comes out from the driver?

1780

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Explain why is a two-input nand gate called universal gate?

1179

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Describe the principle of step-up chopper. Derive an expression for the average output voltage in terms of input dc voltage & duty cycle?

1175

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1016

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