3.7 Fields and Their Consequences

Practice questions on Fields and Their Consequences

• Explain what happens to the electric field strength between two parallel plates when the p… (5 marks, Explain)
• Explain how a plotting compass can be used to map the magnetic field around a bar magnet, … (5 marks, Explain)
• Explain how the magnetic effect of current in a wire can be increased, and describe how th… (5 marks, Explain)
• A student investigates the magnetic field produced by a solenoid connected to a direct cur… (5 marks, Explain)
• Explain why a current-carrying wire placed between the poles of a permanent magnet experie… (5 marks, Explain)
• Describe how the strength and direction of a magnetic field around a bar magnet changes as… (5 marks, Describe)
• A capacitor is connected to a power supply and becomes fully charged. The power supply is … (5 marks, Explain)
• A student charges a capacitor using a 6 V battery. The capacitor stores a charge of 12 μC.… (5 marks, Explain)
• Explain how a capacitor stores energy and describe the factors that affect the energy stor… (5 marks, Explain)
• A capacitor is fully charged and then disconnected from the power supply. The capacitor is… (5 marks, Describe)
• Explain the similarities and differences between gravitational fields and electric fields. (5 marks, Explain)
• Explain how a charged comb can attract small pieces of uncharged paper, even though the pa… (5 marks, Explain)
• A student uses a gold-leaf electroscope to investigate static electricity. The metal cap o… (5 marks, Explain)
• Explain what happens to the charge stored and the energy stored in a capacitor when the po… (5 marks, Explain)
• Explain why two negatively charged spheres, held close together but not touching, experien… (5 marks, Explain)
• Explain how a positive test charge placed between two oppositely charged parallel plates e… (5 marks, Explain)
• Explain why the gravitational field strength decreases as a spacecraft travels away from t… (5 marks, Explain)
• A student states: 'The gravitational field around the Earth is uniform everywhere.' Evalua… (5 marks, Evaluate)
• Explain why an astronaut's weight changes when they travel from the surface of the Earth t… (5 marks, Explain)
• Explain why the gravitational field strength on the surface of Jupiter is greater than the… (5 marks, Explain)