How many terminals does a 7805 IC have

This question was previously asked in
RRB ALP Electronics Mechanic 23 Jan 2019 Official Paper (Shift 3)
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  1. 4
  2. 3
  3. 2
  4. 5

Answer (Detailed Solution Below)

Option 2 : 3
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IC 7805 has 3 terminals. option 2 is correct. 

  • The 7805 IC (Integrated Circuit) has three terminals.
  • The first terminal is the input terminal, labeled as "Vin" or "Input", and is used to connect the unregulated DC voltage source to the IC.
  • The second terminal is the ground terminal, labeled as "GND" or "Ground", and is used to connect the IC to the ground of the circuit.
  • The third terminal is the output terminal, labeled as "Vout" or "Output", and is used to connect the regulated DC output voltage of +5 volts to the load.
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