USCG Prep
  • Home
  • Sign in
  • Contacts
  • Exam
  • Download
  • Search
  • Homepage
  • »
  • Assistant Engineer (Motor Plants (MODU))
  • »
  • Q717 - General Subjects

100. What is the functional purpose of the Zener diode «CR1» as shown in section «D» of the regulated DC power supply

100. What is the functional purpose of the Zener diode "CR1" as shown in section "D" of the regulated DC power supply
?
« PreviousSkipNext »
Show clarificationHide clarification Download PDF
The Zener diode CR1 provides a stable voltage reference, enabling transistor Q1 to maintain a nearly constant DC output voltage and thus aids in output voltage regulation.

Comments (0)

There are no comments at the moment. If you found an error or think question is incorrect, tell everyone about it

Only signed in users can write comments

Signin

Progress: 24% (23/94)?

Learning progress ?
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176
4/8
USCG Certification

Found an error or got some ideas? — contact us

Trial period expired

You are not allowed to do this without «Full access»

Full access allows:

  • Solve all tests online without limits;
  • Remove all advertisements on website;
  • Adding questions to favorite list;
  • Save learning progress;
  • Save results of practice exams;
  • Watching all wrong answered questions.
Activate full access