## Electromagnetic Induction (AHL)

Calculator Allowed: Yes Question Answer Transcription of this question: B4.This question is in two parts.circular motion.Part 1 GravitationPart 1 is about gravitation and Part 2 is about linear andA spherical planet has radius R and mass M. A satellite Of mass m orbits the planet withconstant linear speed v at a height h above the […]

## Electromagnetic Induction (AHL)

Calculator Allowed: Yes Question Answer Transcription of this question: B3.This question is in two parts.nuclear decay.Part 1 Wave phenomenaPart 1is about wave phenomena and Part 2 isabout(a) The graph below shows the variation with time t Of the displacement x Of one particle ina sound wave.x / mm 0.30.20.16-0.1-0.2-0.3The speed Of the wave is 380m […]

## Electromagnetic Induction (AHL)

Calculator Allowed: Yes Question Answer Transcription of this question: A4. This question is about an ideal transformer.(a)(b)State Faraday’s law Of electromagnetic induction.The diagram below shows an ideal transformer.primary coillaminated coresecondary coil(i)Use Faraday’s law to explain why, for normal operation Of the transformer,the current in the primary coil must vary continuously.[21[21(ii)(iii)Outline why the core is laminated.The […]

## Electromagnetic Induction (AHL)

Calculator Allowed: Yes Question Answer Transcription of this question: A4. This question is about induced e.m_f.A small area A is in a region of uniform magnetic field of strength B. The field makes an angleO to the normal to the area as shown below.(a)(b)Area A- – – – -normalWith reference to the diagram, define magnetic […]

## Electromagnetic Induction (AHL)

Calculator Allowed: Yes Question Answer Transcription of this question: This question is about an ideal gas and entropy.(a)(b)A fixed mass Of an ideal gas is compressed from volume VI to volume V2 atconstant temperature. The variation with volume V Of the pressure p Of the gas isshown below.On the diagram above, draw a line to […]

## Electromagnetic Induction (AHL)

Calculator Allowed: Yes Question Answer Transcription of this question: A2. This question is about projectile motion.A stone is thrown from the top Ofa cliff ofheight 28 m above the sea. The stone is thrown at aspeed Of 14 m s-l at an angle above the horizontal. Air resistance is negligible.14mi 28mseaThe maximum height reached by […]

## Electromagnetic Induction (AHL)

Calculator Allowed: Yes Question Answer Transcription of this question: B4.This question is in two parts. Part 1 is about gravitation. Part 2 is about electricity.Part 1GravitationTwo stars Of equal mass are in circular orbit about a common centre.The mass of each star is M and their separation is 2R. The speed of each star is […]

## Electromagnetic Induction (AHL)

Calculator Allowed: No Question Answer Transcription of this question: 33.The variation with time Of the current in the primary coil Of an ideal transformer is shown below.currentABcDtimeAt which time will the magnitude Of the induced e.m.f. in the secondary coil be maximum

## Electromagnetic Induction (AHL)

Calculator Allowed: No Question Answer Transcription of this question: 32.A metal ring has its plane perpendicular to a magnetic field.metal ringmagnetic fieldThe magnetic flux through the ring increases at a constant rate by 4.0 x 10-s Wb in 5.0s.During this change the e.m_f. induced in the ringA.B.Dremains constant at 8 g V.remains constant at 20 […]

## Electromagnetic Induction (AHL)

Calculator Allowed: No Question Answer Transcription of this question: 20.The diagram below shows the pressure-volume changes for one cycle PQRS Of a Carnot engine.pressurevolumeDuring which part Of the cycle is thermal energy transferred to the surroundings