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Questions and Answers
What property of the charge -q moving around the fixed charge +Q in an elliptical orbit remains constant?
What property of the charge -q moving around the fixed charge +Q in an elliptical orbit remains constant?
- Linear momentum
- Linear speed
- Angular momentum (correct)
- Angular velocity
In the scenario of a charge -q moving around a fixed charge +Q, which momentum is not constant?
In the scenario of a charge -q moving around a fixed charge +Q, which momentum is not constant?
- Angular momentum
- Linear momentum (correct)
- Linear speed
- Angular velocity
What remains constant in the motion of the charge -q around the fixed charge +Q?
What remains constant in the motion of the charge -q around the fixed charge +Q?
- Linear momentum
- Angular velocity
- Angular momentum (correct)
- Linear speed
Which parameter is constant for the charge -q moving in an elliptical orbit around the fixed charge +Q?
Which parameter is constant for the charge -q moving in an elliptical orbit around the fixed charge +Q?
If the net electrical force on charge Q at the corner of a square is zero, what is the ratio Q/q?
If the net electrical force on charge Q at the corner of a square is zero, what is the ratio Q/q?
In a scenario where a charged ball hangs from a silk thread and makes an angle θ with a large uniformly charged sheet, what is the proportionality between surface charge density σ and cosθ?
In a scenario where a charged ball hangs from a silk thread and makes an angle θ with a large uniformly charged sheet, what is the proportionality between surface charge density σ and cosθ?
If a Gaussian surface is symmetrical to the charge distribution, how does this affect the evaluation of the flux integral?
If a Gaussian surface is symmetrical to the charge distribution, how does this affect the evaluation of the flux integral?
What is the net charge inside the closed Gaussian surface if the inward and outward electric fluxes are 8 * 10^3 and 4 * 10^3 units, respectively?
What is the net charge inside the closed Gaussian surface if the inward and outward electric fluxes are 8 * 10^3 and 4 * 10^3 units, respectively?
In the figure, ABC is an equilateral triangle with a charge +q placed at each corner. What is the electric field intensity at the center point O?
In the figure, ABC is an equilateral triangle with a charge +q placed at each corner. What is the electric field intensity at the center point O?
A small sphere carrying a charge 'q' is hanging by a string of length L between two parallel plates. The time period of the pendulum is T0 without the electric field. When the parallel plates are charged, creating a uniform electric field E, the time period changes to T. What is the ratio T/T0?
A small sphere carrying a charge 'q' is hanging by a string of length L between two parallel plates. The time period of the pendulum is T0 without the electric field. When the parallel plates are charged, creating a uniform electric field E, the time period changes to T. What is the ratio T/T0?
In the figure, if charges q1, q2, q3, and q4 are placed at the points shown, and a spherical Gaussian surface of radius R is drawn, what is the net charge inside the Gaussian surface?
In the figure, if charges q1, q2, q3, and q4 are placed at the points shown, and a spherical Gaussian surface of radius R is drawn, what is the net charge inside the Gaussian surface?
Which of the following statements about Gauss's law is correct?
Which of the following statements about Gauss's law is correct?
According to Gauss's law, which of the following statements is true?
According to Gauss's law, which of the following statements is true?
For a uniform positively charged non-conducting ball with charge $q$ hanging from a rigid support, and another charged ball with charge $q_0$ placed at a distance $r$ from $q$, the ratio of the electric field at $P$ to the force $F$ on $q_0$ is:
For a uniform positively charged non-conducting ball with charge $q$ hanging from a rigid support, and another charged ball with charge $q_0$ placed at a distance $r$ from $q$, the ratio of the electric field at $P$ to the force $F$ on $q_0$ is:
Which of the following patterns of electric field lines is not possible for the field produced by a static charge?
Which of the following patterns of electric field lines is not possible for the field produced by a static charge?
For three point charges $Q_1$, $Q_2$, and $Q_3$ placed equally spaced along a straight line, where $Q_2$ and $Q_3$ are equal in magnitude but opposite in sign, which of the following statements is true?
For three point charges $Q_1$, $Q_2$, and $Q_3$ placed equally spaced along a straight line, where $Q_2$ and $Q_3$ are equal in magnitude but opposite in sign, which of the following statements is true?
For the electric field lines shown in the figure, which of the following statements is true?
For the electric field lines shown in the figure, which of the following statements is true?
Three positive charges of equal value $q$ are placed at the vertices of an equilateral triangle. The resulting lines of force should be sketched as in:
Three positive charges of equal value $q$ are placed at the vertices of an equilateral triangle. The resulting lines of force should be sketched as in:
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