Question # 1

How can you identify that when plate of capacitor is positively charged?

Ans 1: For the identification of positively charged plate of a capacitor golf leaf electroscope is used,For this purpose the plate of capacitor is brought near the positively charged disc of electroscope.If the divergence of the gold leaves increase then the capacitor will be positively charged and vice versa.

Question # 2

Do electrons tend to go region of high potential or low potential?

Ans 1: Electrons tend to go to a region of high potential from low potential because electrons are negatively charged.

Question # 3

What is meant by EEG and ERG?

Ans 1: Electroencephalography: is usually applied over human brain to check its abnormal behaviour by the use of electrical energy.For this electrodes are connected to the selected portion of the head and the corresponding response is seen graphically through the screen of a recording device.
Ans 2: Electrocardiography: records the voltage between points on human skin generated by the electrical process in the heart,It is made in running position providing information about hearts performance under stress.

Question # 4

How sharks looks their prey?

Ans 1: Sharks have special organs,called the ampullae of Lorenzini that are very sensitive to electric field and can detect potential difference of the order of nano volt and can locate their prey very precisely.

Question # 5

Electric lines of force never cross why?

Ans 1: Electric lines of force never cross each other,This is because that electric field line has only one direction at any given point.If the lines cross ,electric field lines could have more than one direction which is not possible.

Question # 6

Give the statement of Gauss's law.

Ans 1: It states that the total electric flux through any closed surface is equal to 1/e_otimes the total charged encloses in it.

Question # 7

Write down two difference between electric and gravitational force.

Ans 1: Differences:Electrical force is might be attractive as well as repulsive while the gravitational force is only attractive.Electrostatics force is medium dependent while the gravitational force is not.

Question # 8

What depend on the slow or fast charging and discharging of a capacitor?

Ans 1: How fast or how slow the capacitor is charging or discharging depends upon the products of the resistance and the capacitance called time constant.Capacitor is charged or discharged rapidly when RC is small.

Question # 9

Define electron volt.

Ans 1: It is defined as The amount of energy acquired or lost by an electron when it is displaced across two points having potential difference of one volt.It is measure on electrons volts.

Question # 10

Why do the electrons tend to go to region of high potential?

Ans 1: We know that the electrons are negatively charged particles.So,when they are put inside an electric field they tend to go the region of high potential from the region of low potential.

Latest Educational News Stories

Pakistan's Largest Database of Colleges and Universities

BS Programs

University Past Papers

University Results

Exam Results 2024

Study Abroad Programs and Opportunities for Pakistani Students

Online Short Questions Preparations

Online Short Questions For Chapter 1 "ICS Part 2 Physics Chapter 12 Short Questions Preparation "

Physics - ICS Part 2 Physics Chapter 12 Short Questions Preparation

How can you identify that when plate of capacitor is positively charged?

Do electrons tend to go region of high potential or low potential?

What is meant by EEG and ERG?

How sharks looks their prey?

Electric lines of force never cross why?

Give the statement of Gauss's law.

Write down two difference between electric and gravitational force.

What depend on the slow or fast charging and discharging of a capacitor?

Define electron volt.

Why do the electrons tend to go to region of high potential?

Prepare Complete Set Wise Questions For Chapter 1 "ICS Part 2 Physics Chapter 12 Short Questions Preparation "

Set 1

Set 2

Set 3

ICS Part 2 Physics Chapter 12 Short Questions Preparation - Set 1

How can you identify that when plate of capacitor is positively charged?

Do electrons tend to go region of high potential or low potential?

What is meant by EEG and ERG?

How sharks looks their prey?

Electric lines of force never cross why?

Give the statement of Gauss's law.

Write down two difference between electric and gravitational force.

What depend on the slow or fast charging and discharging of a capacitor?

Define electron volt.

Why do the electrons tend to go to region of high potential?

ICS Part 2 Physics Chapter 12 Short Questions Preparation - Set 2

What is the effect of medium between the charges upon coulomb's force?

A point charge move rectilinear path in an electric field.Explain.

What is electric potential energy and electric potential difference?

Is E is necessary zero inside a charged rubber balloon if balloon is spherical?

Why do the electrons tend to go to region of high potential?

Do electrons tend to go region of high potential or low potential?

State coulomb's law.

Define electron volt.

What is photoconductor?

How can you identify that which plate of a capacitor is positively charged?

ICS Part 2 Physics Chapter 12 Short Questions Preparation - Set 3

How can you identify that which plate of a capacitor is positively charged?

Suggest a method 'shield' an apparatus from electric field even when it is to be kept in the region where electric field is present.

What is Potential Gradient?

Give the statement of Gauss's law.

Do electrons tend to go region of high potential or low potential?

Define electric flux.Write its SI units.

What is time constant?

Write two properties of electric field.

Define electrostatics and electric force,

Define xerography and photoconductor.