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Questions and Answers
Which property of electric charge is not satisfied?
Which property of electric charge is not satisfied?
- Quantization of charge
- Circular line of force (correct)
- Two types of charge
- Total charge conservation
Which of the following electric charges is possible?
Which of the following electric charges is possible?
- $5.8 \times 10^{-18}$ C
- $8.6 \times 10^{-19}$ C
- $3.2 \times 10^{-18}$ C
- $4.5 \times 10^{-19}$ C (correct)
If a charge on a body is $1$ nC, how many electrons are present on the body?
If a charge on a body is $1$ nC, how many electrons are present on the body?
- $6.25 \times 10^{28}$
- $6.25 \times 10^{27}$
- $1.6 \times 10^{19}$ (correct)
- $6.25 \times 10^{9}$
What is the fundamental unit of electric charge according to the text?
What is the fundamental unit of electric charge according to the text?
According to Gauss's law, the electric flux through any closed surface is proportional to what?
According to Gauss's law, the electric flux through any closed surface is proportional to what?
Which of the following quantities cannot be found using Gauss's law?
Which of the following quantities cannot be found using Gauss's law?
When a soap bubble is given a negative charge, what happens to its radius?
When a soap bubble is given a negative charge, what happens to its radius?
If two identical metal spheres A and B repel each other with a force F, and an uncharged sphere C is touched to A and then placed midway between A and B, what is the net force on C?
If two identical metal spheres A and B repel each other with a force F, and an uncharged sphere C is touched to A and then placed midway between A and B, what is the net force on C?
For an electric dipole placed in a uniform electric field, at what angle between the dipole moment and the electric field is the potential energy minimum?
For an electric dipole placed in a uniform electric field, at what angle between the dipole moment and the electric field is the potential energy minimum?
An electric dipole consists of two opposite charges of magnitude 1 μC separated by a distance of 2 cm. If this dipole is placed in an electric field of 10^-5 V/m, what is the maximum torque experienced by the dipole?
An electric dipole consists of two opposite charges of magnitude 1 μC separated by a distance of 2 cm. If this dipole is placed in an electric field of 10^-5 V/m, what is the maximum torque experienced by the dipole?
What information do electric field lines provide?
What information do electric field lines provide?
If two charges, +1 μC and +2 μC, are kept at a certain separation, what will be the ratio of the electrostatic forces acting on them?
If two charges, +1 μC and +2 μC, are kept at a certain separation, what will be the ratio of the electrostatic forces acting on them?
What is the net electric flux through a closed surface that does not enclose any charge?
What is the net electric flux through a closed surface that does not enclose any charge?
If a surface encloses an electric dipole, what is the net electric flux through the surface?
If a surface encloses an electric dipole, what is the net electric flux through the surface?
What is the electric flux through a surface when it is rotated in a uniform electric field?
What is the electric flux through a surface when it is rotated in a uniform electric field?
If a point charge $q$ is placed at a distance $a/2$ directly above the center of a square of side $a$, what is the electric flux through the square?
If a point charge $q$ is placed at a distance $a/2$ directly above the center of a square of side $a$, what is the electric flux through the square?
Which of the following statements about electric field lines and electric flux is correct?
Which of the following statements about electric field lines and electric flux is correct?
What is the electric flux through an infinite plane sheet of charge?
What is the electric flux through an infinite plane sheet of charge?
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