Which of the following is control element in Silicon Controlled Resistor (SCR)? 

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KVS TGT WET (Work Experience Teacher) 8 Jan 2017 Official Paper
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  1. Gate
  2. Anode
  3. Cathode
  4. Source

Answer (Detailed Solution Below)

Option 1 : Gate
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Detailed Solution

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The correct answer is option 1
Concept:
Gate the control element in Silicon Controlled Resistor

Gate is used to trigger the device into conduction by the application of a small voltage.

By increasing the gate current, the forward break-over voltage occurs for lower values of forwarding voltage which is shown in the figure

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