| Date | May 2012 | Marks available | 1 | Reference code | 12M.1.SL.TZ2.20 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 20 | Adapted from | N/A |
Question
Coulomb’s law refers to electric charges that are
A. on any charged objects.
B. charged hollow spheres.
C. charged solid spheres.
D. point charges.
Markscheme
D
Examiners report
Syllabus sections
Show 64 related questions
- 17N.2.HL.TZ0.8c: The electron is replaced by a proton which is also released from rest at X. Compare, without...
- 17N.2.HL.TZ0.8b: An electron is placed at X and released from rest. Draw, on the diagram, the direction of the...
- 17N.2.HL.TZ0.8a: Outline what is meant by electric field strength.
- 17N.2.HL.TZ0.2d: Satellite X must release ions into the space between the satellites. Explain why the current...
- 17N.1.HL.TZ0.15: Two wires, X and Y, are made from the same metal. The wires are connected in series. The...
- 17M.2.SL.TZ2.5a: The copper wires and insulator are both exposed to an electric field. Discuss, with reference...
- 17M.1.HL.TZ2.15: Positive charge is uniformly distributed on a semi-circular plastic rod. What is the...
- 17M.1.HL.TZ1.17: Electrons, each with a charge e, move with speed v along a metal wire. The electric current...
- 17M.1.SL.TZ2.19: A wire has variable cross-sectional area. The cross-sectional area at Y is double that at...
- 17M.1.SL.TZ2.18: The diagram shows two equal and opposite charges that are fixed in place. At which points...
- 17M.1.SL.TZ1.20: A cell is connected in series with a resistor and supplies a current of 4.0 A for a time of...
- 17M.1.SL.TZ1.19: An electron is accelerated through a potential difference of 2.5 MV. What is the change in...
- 17M.1.SL.TZ1.18: The graph shows the variation of current with potential difference for a filament...
- 17M.1.SL.TZ1.15: Two pulses are travelling towards each other. What is a possible pulse shape when the...
- 16M.2.SL.TZ0.5c: A connecting wire in the circuit has a radius of 1.2mm and the current in it is 3.5A. The...
- 16N.1.SL.TZ0.18: A –5µC charge and a +10µC charge are a fixed distance apart. Where can the electric field...
- 16M.1.SL.TZ0.18: Thr...
- 15M.1.SL.TZ2.16: What is the definition of electric current? A. The ratio of potential difference across a...
- 15M.2.SL.TZ2.5e: The 24 Ω resistor is covered in an insulating material. Explain the reasons for the...
- 15M.2.SL.TZ2.6e: Six point charges of equal magnitude Q are held at the corners of a hexagon with the signs of...
- 15M.2.HL.TZ2.9a: A 24Ω resistor is made from a conducting wire. (i) The diameter of the wire is 0.30 mm and...
- 14M.2.SL.TZ1.3a: Calculate the magnitude of the electric force acting on the proton when it is in the electric...
- 14M.2.SL.TZ1.3b: A uniform magnetic field is applied in the same region as the electric field. A second proton...
- 15N.1.SL.TZ0.22: A \( + 3{\text{ C}}\) charge and a \( - 4{\text{ C}}\) charge are a distance \(x\) apart. P...
- 15N.2.HL.TZ0.9g.ii: Each cubic metre of the wire contains approximately \(8.5 \times {10^{28}}\) free electrons....
- 14N.2.SL.TZ0.6g.i: Show that the magnitude of the electric field strength at the surface of the sphere is about...
- 14N.2.SL.TZ0.6h.ii: Discuss the subsequent motion of the electron.
- 14N.2.SL.TZ0.6g.ii: On the axes, draw a graph to show the variation of the electric field strength \(E\) with...
- 14N.2.SL.TZ0.6h.i: Calculate the initial acceleration of the electron.
- 14M.2.HL.TZ2.8a: (i) Distinguish between an insulator and a conductor. (ii) Outline what is meant by...
- 14M.2.SL.TZ2.5e: Distinguish between an insulator and a conductor.
- 11N.1.SL.TZO.19: Which of the following is the SI unit of gravitational field strength? A. NB. N mC. Nkg–1D....
- 11N.1.SL.TZO.20: Which of the following is the best representation of the electric field lines around a...
- 12N.1.SL.TZ0.21: An electron has a kinetic energy of 4.8×10–10J. What is the equivalent value of this kinetic...
- 13N.1.SL.TZ0.20: Which diagram represents the pattern of electric field lines of two small positive point...
- 13M.2.SL.TZ1.7b: The diagram shows a pair of horizontal metal plates. Electrons can be deflected...
- 13M.2.SL.TZ1.7c: The diagram shows two isolated electrons, X and Y, initially at rest in a vacuum. The initial...
- 13M.2.SL.TZ1.7a: Define electric field strength.
- 12M.1.SL.TZ1.16: The ampere is defined in terms of A. power dissipated in a wire of known length,...
- 11M.1.SL.TZ2.16: Two electrodes, separated by a distance d, in a vacuum are maintained at a constant potential...
- 11M.1.SL.TZ2.20: Two isolated point charges, -7 μC and +2 μC, are at a fixed distance apart. At which...
- 13M.2.SL.TZ2.6b: In a simple model of the hydrogen atom, the electron can be regarded as being in a circular...
- 11M.1.HL.TZ2.6: The diagram below shows a uniform electric...
- 13M.2.SL.TZ2.6a: State Coulomb’s law.
- 11M.1.SL.TZ2.22: Which nucleons in a nucleus are involved in the Coulomb interaction and the...
- 11M.1.HL.TZ2.21: Two isolated point charges,...
- 13M.1.HL.TZ2.25: The electric potential is VR at a point R in an electric field and at another point S the...
- 12M.2.SL.TZ2.7a: Ionized hydrogen atoms are accelerated from rest in the vacuum between two vertical parallel...
- 12M.2.SL.TZ2.9a: The magnitude of gravitational field strength g is defined from the equation shown...
- 12M.2.HL.TZ2.7a: The magnitude of gravitational field strength g is defined from the equation shown...
- 12M.2.HL.TZ2.7b: In a simple model of the hydrogen atom, the electron is regarded as being in a circular orbit...
- 11N.2.SL.TZ0.2a: Tungsten is a conductor used as the filament of an electric lamp. The filament of the lamp is...
- 11N.2.HL.TZ0.10a: (i) On the diagram above, draw an arrow to show the direction of the electric field at point...
- 13N.2.SL.TZ0.4a: Define electric field strength.
- 13N.2.SL.TZ0.4b: A simple model of the proton is that of a sphere of radius 1.0×10–15m with charge...
- 11M.1.SL.TZ1.17: One electronvolt is equal to A. 1.6×10−19 C.B. 1.6×10−19 J.C. 1.6×10−19 V.D. 1.6×10−19 W.
- 11M.1.HL.TZ1.22: A positively charged particle follows a circular path as shown below. Which of the...
- 11M.2.SL.TZ1.2a: The electron’s path while in the region of magnetic field is a quarter circle. Show that...
- 09M.1.SL.TZ1.20: Which diagram best represents the electric field due to a negatively charged conducting...
- 10M.1.SL.TZ1.20: Three positive point charges of equal magnitude are held at the corners X, Y and Z of a...
- 09N.1.HL.TZ0.9: Four point charges of magnitudes \( + q\), \( + q\), \( - q\), and \( - q\) are held in place...
- 09N.1.SL.TZ0.20: Which of the following diagrams illustrates the electric field pattern of a negatively...
- 10N.2.SL.TZ0.B2Part1.b: A thundercloud can be modelled as a negatively charged plate that is parallel to the...
- 10N.2.SL.TZ0.B2Part1.c: (i) Determine the magnitude of the electric field between the base of the thundercloud...
