Question:

In an electrical actuation system, solid-state switches include:
(A) Bipolar transistors
(B) Thyristors and triacs
(C) Relays
(D) Diodes
Choose the correct answer from the options given below:

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Solid-state switches are essential components in electrical systems providing efficient and reliable switching without mechanical parts
Updated On: Jan 17, 2026
  • (A), (B) and (D) only
  • (A), (B) and (C) only.
  • (A), (B), (C) and (D).
  • (B), (C) and (D) only.
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The Correct Option is C

Solution and Explanation

Solid-state switches include bipolar transistors (A) thyristors and triacs (B) relays (C) and diodes (D) all of which are used in electrical actuation systems to control current flow
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