18th Chapter

ICS Part 2 Physics Chapter 18 Online Test MCQ's

2nd Year Physics Chapter 18 Online MCQ Test for 12th Class Physics Chapter 18 (Electronics)

ICS Part 2 Physics
Chapter 18 Test

Start Chapter 18 Test

2nd Year Physics Chapter 18 Online MCQ Test for 12th Class Physics Chapter 18 (Electronics)

Sr. # Questions Answers Choice
1 The potential difference across the depletion region of germanium is.
  • A. 0.3 V
  • B. 0.5 V
  • C. 0.7 V
  • D. 0.8 V
2 In case of op-amp as an inverting amplifier, V<sub>+</sub> - V<sub>-</sub> = 0, this is because
  • A. Open gain loop is very low
  • B. Closed loop gain is very high
  • C. Open loop gain is very high
  • D. Both (a) and (a)
3 Automatic function of street light can be done by the use of.
  • A. Inductor
  • B. Rectifier
  • C. Comparator
  • D. emf
4 OR gate is represented by:
  • A. X = A+B
  • B. X=A.B
  • C. X=A+B
  • D. X=A.B
5 In full wave rectification number of diodes required are equal to.
  • A. 2
  • B. 3
  • C. 4
  • D. 5
6 The device which is used as amplifier and works with the negative feedback is.
  • A. Operational amplifier
  • B. P-n-p transistor
  • C. n-p-n transistor
  • D. Transistor
7 For automatic Switching of streetlight, the op amplifier is used as.
  • A. Inductor
  • B. Converter
  • C. Comparator
  • D. Thermistor
8 Conversation of only one half of A.C. into D.C. is called.
  • A. Half wave amplification
  • B. Wave amplification
  • C. Half wave electrification
  • D. Half wave rectification
9 The use of LDR is in the circuit of.
  • A. Logic gate
  • B. Rectifier
  • C. Oscillator
  • D. High Switch
10 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

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

A

Awais Farooq

Lahore24 - Apr - 2025

16/17
01 Mins 55 Sec
A

Awais Dilbar

Lahore23 - Apr - 2025

15/17
01 Mins 42 Sec
A

Abdullah King Mian Tariq

Lahore19 - Apr - 2025

15/17
04 Mins 03 Sec
A

Awais Dilbar

Lahore23 - Apr - 2025

14/17
01 Mins 25 Sec
S

Shamaim Waseem

Lahore04 - May - 2025

14/17
01 Mins 40 Sec
A

Aqleema Noor

Lahore16 - May - 2025

14/17
02 Mins 16 Sec
A

Awais Farooq

Lahore23 - Apr - 2025

14/17
02 Mins 18 Sec
A

Abdullah King Mian Tariq

Lahore04 - May - 2025

14/17
02 Mins 37 Sec
A

Aima Afzal Aima Afzal

Lahore08 - Jul - 2025

14/17
03 Mins 29 Sec
A

Aima Afzal Aima Afzal

Lahore08 - Jul - 2025

14/17
05 Mins 09 Sec
A

Awais Dilbar

Lahore23 - Apr - 2025

13/17
01 Mins 33 Sec
A

Anees Ur Rehman

Lahore22 - Apr - 2025

13/17
02 Mins 44 Sec
R

Rao Haseeb

Lahore05 - May - 2025

13/17
02 Mins 53 Sec
4

416 Alina Abbas

Lahore29 - Apr - 2025

12/17
02 Mins
N

Naveed Hira

Lahore03 - May - 2025

12/17
02 Mins 15 Sec

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