ICS Part 2 Physics Chapter 12 Short Questions Preparation

Question # 1

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 # 2

Does the total flux depend upon the shape or geometry of the closed surface?

Ans 1: No,the total flux does not depend upon the shape or geometry of the closed surface,It depends upon medium and charge enclosed.

Question # 3

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

Ans 1: Yes, E is necessarily zero inside a charged rubber balloon if balloon is spherical.

Question # 4

State coulomb's law.

Ans 1: It states that the force of attraction or repulsion between two point charges is directly proportional to the product of the magnitudes of charge and inversely proportional to the square of the distance between them.

Question # 5

Define electric intensity and give its unit.

Ans 1: The electrostatic force per unit test charge,at a specific point in the electric field is called electric field intensity.Its unit is NC^-1.

Question # 6

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

Ans 1: If a point charge q of mass m is placed at any point in the field in the point,it will follow straight or rectilinear path along the field line due to repulsive force.

Question # 7

Write two properties of electric field.

Ans 1: 1.Electric field line originate from positive charge and end om negative charges.
2.The tangent to a field line at any point gives the direction of the electric field intensity at the point.

Question # 8

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 # 9

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.

Question # 10

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.

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ICS Part 2 Physics Chapter 12 Short Questions Preparation

12th Class PhysicsShort Questions Preparation

12th Class Physics Chapter Wise Preparation

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

What is meant by EEG and ERG?

Does the total flux depend upon the shape or geometry of the closed surface?

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

State coulomb's law.

Define electric intensity and give its unit.

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

Write two properties of electric field.

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

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

Electric lines of force never cross why?

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

What is meant by EEG and ERG?

Does the total flux depend upon the shape or geometry of the closed surface?

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

State coulomb's law.

Define electric intensity and give its unit.

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

Write two properties of electric field.

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

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

Electric lines of force never cross why?

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

Electric lines of force never cross why?

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

Define electric polarization and electric dipole.

What is time constant?

Define xerography and photoconductor.

Describe the force or forces on a positive point charge when placed between parallel plate,with similar and equal charges.

What is electric potential energy and electric potential difference?

Write two properties of electric field.

Distinguished between electric field and field intensity.

Give the statement of Gauss's law.

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

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

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

Distinguished between electric field and field intensity.

Electric lines of force never cross why?

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

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

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

Write down two difference between electric and gravitational force.

Describe the force on positive charge when placed between parallel plates with opposite and equal charges.

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

ICS Part 2 Physics Chapter 12 Short Questions Preparation

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