18th Chapter

FSC Part 2 Physics Chapter 18 Online Test MCQ's

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

FSC Part 2 Physics
Chapter 18 Test

Start Chapter 18 Test

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

Sr. # Questions Answers Choice
1 In a transistor, collector current is controlled by:
  • A. Collector voltage
  • B. Base current
  • C. Collector resistance
  • D. All of the above
2 The circuit of full wave rectification consist of
  • A. Three diodes
  • B. Four diodes
  • C. Two diodes
  • D. One diode
3 The chargeless region after formation of Pn junction is called:
  • A. Free region
  • B. Depletion region
  • C. Field region
  • D. U.V region
4 Which device is used as a rectifier?
  • A. Capacitor
  • B. Transistor
  • C. Diode
  • D. Transformer
5 the number of terminals in a semiconductor diode are
  • A. 2
  • B. 3
  • C. 4
  • D. 5
6 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
7 The ratio of potential barriers of Ge to Si at room temperatrue is.
  • A. 7:3
  • B. 1:3
  • C. 2:5
  • D. 3:7
8 The output from a full wave rectifier is
  • A. An ac voltage
  • B. A dc voltage
  • C. Zero
  • D. A pulsating unidirectional voltage
9 The colour of light emitted by a LED depends on.
  • A. It forward biased
  • B. Its reverse biased
  • C. Unbiased
  • D. None of these
10 One use of a single p-n junction semiconductor in an electrical circuit is a
  • A. Rectifier
  • B. Transistor
  • C. Battery
  • D. Diode

Top Scorers of Physics FSC Part 2 Chapter 18 Online MCQ's Test

A

Aimen Zahra

Lahore17 - Mar - 2025

17/17
01 Mins 18 Sec
A

Abdullah Mughal

Lahore11 - Mar - 2025

17/17
01 Mins 29 Sec
A

Aimen Zahra

Lahore17 - Mar - 2025

17/17
01 Mins 33 Sec
A

Aimen Zahra

Lahore17 - Mar - 2025

17/17
01 Mins 51 Sec
A

Abdullah King Mian Tariq

Lahore06 - Mar - 2025

17/17
03 Mins 38 Sec
A

Aimen Zahra

Lahore17 - Mar - 2025

16/17
01 Mins 13 Sec
A

Aimen Zahra

Lahore17 - Mar - 2025

16/17
01 Mins 23 Sec
A

Aimen Zahra

Lahore17 - Mar - 2025

16/17
01 Mins 35 Sec
A

Abdullah Mughal

Lahore11 - Mar - 2025

16/17
04 Mins 21 Sec
A

Aimen Zahra

Lahore17 - Mar - 2025

15/17
01 Mins 26 Sec
A

Aimen Zahra

Lahore14 - Mar - 2025

15/17
01 Mins 29 Sec
A

Aimen Zahra

Lahore15 - Mar - 2025

15/17
01 Mins 33 Sec
M

Muhammad Wasseq Jameel

Lahore03 - Mar - 2025

15/17
02 Mins 01 Sec
A

Aimen Zahra

Lahore14 - Mar - 2025

15/17
02 Mins 48 Sec
A

Ahmad Ahsan

Lahore15 - Jan - 2025

15/17
03 Mins 09 Sec

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