Salam Academy
Sign inCreate account
Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

Sign in to check answers. Your attempts build your mastery and error book.

12 questions

SA-9702-MF4-0021 markL1 FoundationCalculatorFaraday and Lenz
A rod of length 0.300.30 m moves at 5.05.0 m s⁻¹ perpendicular to a 0.200.20 T field. Calculate the induced e.m.f.

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-9702-MF4-0031 markL1 FoundationCalculatorFlux and flux linkage
A field of 0.250.25 T passes perpendicularly through a loop of area 0.0200.020 m². Calculate the flux, in mWb.

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-9702-MF4-0041 markL1 FoundationCalculatorFaraday and Lenz
Lenz's law states that the direction of an induced e.m.f. is such that it
Choose one option

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-9702-MF4-0051 markL1 FoundationCalculatorFaraday and Lenz
Lenz's law is a consequence of the conservation of
Choose one option

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-9702-MF4-0061 markL1 FoundationCalculatorFlux and flux linkage
The weber is equivalent to
Choose one option

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-9702-MF4-0091 markL1 FoundationCalculatorFaraday and Lenz
Which change does not increase the e.m.f. induced by moving a magnet into a coil?
Choose one option

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-9702-MF4-0121 markL1 FoundationCalculatorFaraday and Lenz
Faraday's law states that the induced e.m.f. is proportional to
Choose one option

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-9702-MF4-0012 marksL2 StandardCalculatorFaraday and Lenz
A 200200-turn coil of area 4.0×10−34.0\times10^{-3} m² is perpendicular to a 0.500.50 T field. It is pulled completely out of the field in 0.100.10 s. Calculate the average induced e.m.f.

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-9702-MF4-0071 markL2 StandardCalculatorFaraday and Lenz
A north pole of a magnet is pushed towards one end of a coil. The induced current makes that end of the coil
Choose one option

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-9702-MF4-0082 marksL2 StandardCalculatorFaraday and Lenz
The field through a 500500-turn coil of area 2.0×10−32.0\times10^{-3} m² falls steadily from 0.400.40 T to 0.100.10 T in 0.0500.050 s. Calculate the induced e.m.f.

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-9702-MF4-0101 markL2 StandardCalculatorFlux and flux linkage
A 5050-turn coil of area 0.0100.010 m² lies with its normal at 60°60° to a 0.400.40 T field. Calculate the flux linkage, in Wb-turns.

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme
SA-9702-MF4-0113 marksL3 ExamCalculatorFaraday and Lenz
An aircraft with wingspan 4040 m flies horizontally at 250250 m s⁻¹ where the vertical component of Earth's field is 4.0×10−54.0\times10^{-5} T. Calculate the e.m.f. between the wingtips, in V.

Sign in or create a free account to check answers, get hints and track your progress.

Salam Academy Original Practice · Proposed mark scheme