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  1. N

    What is an E4?

    Great, that's exactly what I wanted to know. Cheers
  2. N

    What is an E4?

    I understand that an E4 is the top band for an extension subject. But is it 40+/50 or 45+/50?
  3. N

    Extension 2 Maths Band 6 cut off?

    6 out of 8 students got E4s in ext 2 at my school last year. Does that mean they got 90-100 as an HSC mark or 80-100??? I gues I'm asking if in an extension subject worth 2 units like ext 2 maths, does an E4 equate to 80+ or 90+
  4. N

    Ways of incresing current produced in a generator.

    Basically there is a question asking for threee ways in which more current could be produced. Is current directly proportionate to emf? So should i use the formula emf=nBLvsin(theta)? So is an acceptable answer: 1. Increse # of loops 2. Increse Magnetic field strength 3. turn the coil...
  5. N

    Ways of incresing current produced in a generator.

    Basically there is a question asking for threee ways in which more current could be produced. Is current directly proportionate to emf? So should i use the formula emf=nBLvsin(theta)? So is an acceptable answer: 1. Increse # of loops 2. Increse Magnetic field strength 3. turn the coil...
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