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 In photovoltaic cell, current is directly proportional to.
  • A. Wavelength of light
  • B. Intensity of light
  • C. Energy
  • D. Frequency of light
2 During negative half cycle of A.c then p-n junction offers.
  • A. High resistance
  • B. Low resistance
  • C. No resistance
  • D. All of these
3 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
4 Reverse current flows due to
  • A. Majority charge carriers
  • B. Minority charge carriers
  • C. Electrons
  • D. Holes
5 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
6 For normal use:
  • A. Emitter base function is reversed biased
  • B. Collector base junction is reserved biased
  • C. Emitter base junction is forward biased
  • D. Both c and b
7 Photo diode is used for detection of.
  • A. Heat
  • B. Magnet
  • C. Current
  • D. Light
8 A diode characteristics curve is a plot between
  • A. Current and resistance
  • B. Voltage and time
  • C. Voltage and current
  • D. Current and time
9 A transistor has:
  • A. Two regions
  • B. Three regions
  • C. Single regions
  • D. Four regions
10 Most of the electrons in the base of an NPN transistor flow:
  • A. Out of the base lead
  • B. Into the collector
  • C. Into the emit
  • D. Into the base supply

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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