Physics equations (electric and magnetic fields)

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1. Is this equation correct: E = CV^2

  • True
  • False: it's E = 1/2CV^2
  • False: it's E = 1/2CV
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Other questions in this quiz

2. Given that you need to find the current at time, t, and you know the initial current and time constant, which equation do you use?

  • V=IR
  • t = RC
  • Q=It
  • I = Io e^-t/RC
  • P=VI
  • V = Vo e^-t/RC

3. Which equation can work out the force exerted on a charged particle in a magnetic field?

  • F = EQ
  • F = bqv
  • F = BIL

4. Which equation is correct?

  • V = IR
  • V=I/R
  • V=R/I

5. What does this equation calculate: NΦ

  • Induced emf
  • Flux linkage
  • Magnetic flux density
  • Magnetic flux

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