Physics Exam Revision

1. 1What factors affect the resistance of a conductor?
   

   1. ALength, material and size
   2. BShape, material and size
   3. CCross-sectional area, Length and material
   4. DType of series, cross-sectional area and shape
2. 2Find the current in a circuit that has: EMF = 12V; R = 40 ohm's.
   HINT: I = V/R

   1. A0.3A or 300mA
   2. B0.6A or 600mA
   3. C0.25A or 250mA
3. 3Find the current in a circuit that has: EMF = 240V; R = 8 ohm's.
   HINT: I = V/R

   1. A25A
   2. B50A
   3. C30A
4. 4Find the current in a circuit that has: EMF = 120V; R = 47 ohm's.
   HINT: I = V/R

   1. A2.55A
   2. B2.33A
   3. C2.75A
   4. D2.65A
5. 5Find the current in a circuit that has: EMF = 40V; R = 47 ohm's.
   HINT: I = V/R

   1. A0.95A or 950mA
   2. B0.75A or 750mA
   3. C0.65A or 650mA
   4. D0.85A or 850mA

Descripción

Year 12 Physics Test sobre Physics Exam Revision, creado por Dass Family el 03/06/2018.

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Dass Family

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