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18th Chapter

12th Class Physics Chapter 18 Test

Here you can prepare 12th Class Physics Chapter 18 Electronics Test. Click the button for 100% free full practice test.

Second Year Physics Chapter 18 Online MCQ Test for 2nd Year Physics Chapter 18 Electronics Preparation

This online test contains MCQs about following topics:.

- Rectification - Specially Designed p-n Junction - Transistors - Transistor as an Amplifier - Transistor as a Switch - Operational Amplifier - OP-AMP as Inverting Amplifier - OP-AMP as Non-Inverting Amplifier - OP-AMP as a Comparator - Comparator as a Night Switch - Digital Systems - Fundamental Logic Gates - Other Logic Gates - Applications of Gates in Control Systems

FSC Part 2 Physics Ch 18 Test
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Second Year Physics Chapter 18 Online MCQ Test for 2nd Year Physics Chapter 18 Electronics Preparation

Sr. # Questions Answers Choice
1 Depletion region carries.
  • A. -ve charge
  • B. +ve charge
  • C. Ions
  • D. No charge
2 The circuit of full wave rectification consist of
  • A. Three diodes
  • B. Four diodes
  • C. Two diodes
  • D. One diode
3 Rectification is the process of converting.
  • A. D.C. into A.C.
  • B. A.C. in to D.C.
  • C. Low signal to high
  • D. High signal to low
4 Which device is used as a rectifier?
  • A. Capacitor
  • B. Transistor
  • C. Diode
  • D. Transformer
5 In a certain circuit, I<sub>B = 40&nbsp;µA, </sub>I<sub>C</sub><sup>&nbsp;</sup>= 20 mA
  • A. 450 amp
  • B. 0.45 amp
  • C. 5 m amp
  • D. 500 amp
6 A diode characteristic curve is a plot between
  • A. Current and time
  • B. Voltage and time
  • C. Voltage and current
  • D. Forward voltage and reverse voltage
7 Photo diode is used for detection of.
  • A. Heat
  • B. Magnet
  • C. Current
  • D. Light
8 Reverse current flows due to
  • A. Majority charge carriers
  • B. Minority charge carriers
  • C. Electrons
  • D. Holes
9 Truth table of logic function.
  • A. Summarize its output values only
  • B. Tabulates all its input conditions only
  • C. Display all its input and output possibility
  • D. Is not base on logic algebra
10 A transistor has parts:
  • A. 2
  • B. 3
  • C. 4
  • D. 5

Top Scorers of Physics Fsc Part 2 Chapter 7 Online Test

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Mian Javaid Ahmad Qureshi

Lahore06 - Dec - 2022

17/17
52 Sec
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Mian Javaid Ahmad Qureshi

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17/17
01 Mins
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Saifullah Imtinan

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17/17
02 Mins 17 Sec
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Saifullah Imtinan

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02 Mins 12 Sec
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M. Qasim Iftikhar

Lahore06 - Jan - 2023

15/17
01 Mins 30 Sec
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Mian Javaid Ahmad Qureshi

Lahore06 - Dec - 2022

15/17
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Muhammad Wahab

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02 Mins 45 Sec
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Saadshayan

Lahore23 - Dec - 2022

14/17
01 Mins 12 Sec
S

Saifullah Imtinan

Lahore15 - Jan - 2023

14/17
01 Mins 36 Sec
M

M. Qasim Iftikhar

Lahore06 - Jan - 2023

14/17
02 Mins 23 Sec
M

Mian Javaid Ahmad Qureshi

Lahore06 - Dec - 2022

14/17
02 Mins 34 Sec
S

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14/17
02 Mins 48 Sec
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14/17
04 Mins 02 Sec
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02 Mins 19 Sec
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Muhammad Wahab

Lahore31 - Dec - 2022

13/17
04 Mins 54 Sec

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