• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Electronic Principles

Electronic Principles
A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current?

3.2 mA
3.75 mA
0.05 mA
None of these
13 mA

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
A device that converts mechanical pressure to electrical energy is called a:

None of these
photodiode
nicad cell
solar cell
piezoelectric device

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding?

None of these
43922
3
2
43891

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Doubling the operating frequency of a capacitive circuit:

None of these
cuts the capacitive reactance in half
has no effect on the capacitive reactance
multiplies the capacitive reactance by 6.28
doubles the amount of a capacitive reactance

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
What is the turns ratio for the transformer specified in the above question?

0.707
1.5
None of these
10.738
0.575

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm?

None of these
150 ohm
220 ohm
445 ohm
690 ohm

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electronic Principles

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑