Analog Electronics
The trapped energy of an inductive load can be feed back to the input supply through a diode known as

 Powe diode.
 Zener diode.
 None of these.
  Feed back diode.

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Analog Electronics
The ICBO is the electric current that flows when some DC voltage is applied

  in the forward direction to the emitter junction with collector open.
  in the reverse direction to the collector junction with emitter open.
  in the reverse direction to the emitter junction with collector open.
  in the forward direction to the collector junction with emitter open.

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