1
Q
Relationship of Current, Voltage and No. of coils in a primary and secondary coil
A
V₁ / V₂ = N₁ / N₂ = I₂ / I₁
Current is different!!!
2
Q
Permeance =
Just for proportionality, calculations aren’t necessary
A
Permeance Λ = μA/L
where μ = permeability
A = cross-sectional area
L = Length
A Level Physics OCR B
flashcards
Decks in class (61)
# Cards
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1: Imaging44
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1: Exam Questions6
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1: Equations4
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2: Signalling26
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2: Exam Questions12
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2: Equations1
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3: Sensing87
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3: Exam Questions9
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3: Equations6
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4: Testing Materials57
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4: Exam Questions8
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4: Equations1
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5: Looking Inside Materials27
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5: Exam Questions7
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5: Equations0
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6: Wave Behaviour96
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6: Exam Questions8
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6: Equations3
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7: Quantum Behaviour59
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7: Exam Questions2
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7: Equations4
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8: Motion45
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8: Exam Questions0
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8: Equations0
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9: Momentum, Force and Energy27
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9: Exam Questions3
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9: Equations2
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10: Modelling decay45
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10: Exam Questions5
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10: Equations7
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11: Modelling Oscillations37
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11: Exam Questions3
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11: Equations2
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12: The Gravitational Field28
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12: Exam Questions7
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12: Equations2
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13: Our Place in the Universe45
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13: Exam Questions7
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13: Equations7
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14: Simple Models of Matter39
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14: Exam Questions5
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14: Equations5
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15: The Boltzmann Factor16
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15: Exam Questions2
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15: Equations0
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16: Electromagnetism63
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16: Exam Questions5
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16: Equations2
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17: The Electric fields66
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17: Exam Questions1
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17: Equations8
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18: Looking Inside the Atom136
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18: Exam Questions1
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18: Equations3
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19: Using the Atom111
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19: Exam Questions3
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19: Equations4
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Module 1 Development of practical skills in physics16
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Module 2 Fundamental data analysis9
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General11
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Is there life on mars? Questions25
