Chapter 11 Array Science 8th Class Punjab MCQ Tests
8th Class Science Chapter 11 MCQ Tests
Chapter 11 of 8th Class Science has 15 questions. If you take an online MCQ test, the system will randomly choose the questions. If you want to take the quiz by chapter then click the start test button.
Total Questions: 15
Total Marks: 15
Time: 15 Mins
Total Questions: 15
Total Marks: 15
Time: 15 Mins
15Min : 00 Sec Remaining
Question # 1
For the normal operation of transistor, what type of biasing should be present in emitter-base junction?
Question # 2
The p-side of a junction diode is earthed and n-side is given a potential of -2V. What will happen to the diode?
Question # 3
The best capable alternative source which can meet the future energy demand is _______.
Question # 4
Which of the following is the least doped region in a transistor?
Question # 5
Cycle dynamo is connected with the lamp of cycle through _____.
Question # 6
Typically, a bicycle dynamo has one or more _____ with coils of copper.
Question # 7
What is the main source for the formation of wind?
Question # 8
What is created by the electrons in silicon , which gain energy from the sunlight?
Question # 9
By the use of a rotatory _____ the mechanical energy of turbine could be converted to electrical energy.
Question # 10
Assuming that the junction diode is ideal in the circuit shown in the figure. Which of the following is the current through the diode?
Question # 11
Control rods inside the pressurized water reactor are mostly used in _____power plant.
Question # 12
Water is stored in artificially made _____ or reservoir at a certain level of height from the sea level.
Question # 13
Question # 14
What does Heating and cooling of the atmosphere generates?
Question # 15
A rectangular coil of length 50 cm in a magnetic field of 3 T is rotated with a speed of 30 ms−1 . Calculate the induced emf at the instant when the plane of coil is parallel to the field.
Total Questions
123456789101112131415
Question # 1
For the normal operation of transistor, what type of biasing should be present in emitter-base junction?
Question # 2
The p-side of a junction diode is earthed and n-side is given a potential of -2V. What will happen to the diode?
Question # 3
The best capable alternative source which can meet the future energy demand is _______.
Question # 4
Which of the following is the least doped region in a transistor?
Question # 5
Cycle dynamo is connected with the lamp of cycle through _____.
Question # 6
Typically, a bicycle dynamo has one or more _____ with coils of copper.
Question # 7
What is the main source for the formation of wind?
Question # 8
What is created by the electrons in silicon , which gain energy from the sunlight?
Question # 9
By the use of a rotatory _____ the mechanical energy of turbine could be converted to electrical energy.
Question # 10
Assuming that the junction diode is ideal in the circuit shown in the figure. Which of the following is the current through the diode?
Question # 11
Control rods inside the pressurized water reactor are mostly used in _____power plant.
Question # 12
Water is stored in artificially made _____ or reservoir at a certain level of height from the sea level.
Question # 13
Question # 14
What does Heating and cooling of the atmosphere generates?
Question # 15
A rectangular coil of length 50 cm in a magnetic field of 3 T is rotated with a speed of 30 ms−1 . Calculate the induced emf at the instant when the plane of coil is parallel to the field.
Total Questions
123456789101112131415
Science MCQ Test by Topics
- +11.0 Introduction
- +11.1 How Electricity is produced?
- +11.1.2 Power Plant Generators
- +11.2 Energy Sources to Generate Electricity
- +11.2.1 Wind energy
- +11.2.2 Nuclear energy
- +11.3 Problems Involved in Generating Electricity
- +11.4 Electronic Systems
- +11.5 Uses of Various Devices (Input, Processor, Output)
Science
8th Class Punjab MCQ Tests
8th Class Online Classes 2026
Updated on: 21-05-2026
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