How many connecting terminals does an SPDT switch have?

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KVS TGT WET (Work Experience Teacher) 23 Dec 2018 Official Paper
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  1. 2
  2. 6
  3. 3
  4. 4

Answer (Detailed Solution Below)

Option 3 : 3
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Key Points

 Single Pole, Double Throw (SPDT):

  • This switch can be on in both positions, switching on a separate device in each case. It is often called a changeover switch. 
  • For example, an SPDT switch can be used to switch on a red lamp in one position and a green lamp in the other position.
  • An SPDT switch consists of three terminals and connects the source terminal and one of two output terminals.
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