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  3. (a) what drives current? (b) what impedes current?

(a) What drives current? (b) What impedes current? (c) How does Ohm’s Law relate these quantities? Why...

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Physics

  1. (a) What drives current? (b) What impedes current? (c) How doesOhm’s Law relate these quantities?
  2. Why isn’t Ohm’s Law universally valid?
  3. What is the resistance of an automobile headlight through which3.50 A flows when 12.0 V is applied to it?
  4. If a battery supplies energy to a circuit, what does theresistor do with that energy?
  5. Calculate the effective resistance of a pocket calculator thathas a 6.2 V battery and through which 0.20 mA flows.

Answer & Explanation Solved by verified expert
3.7 Ratings (520 Votes)
aPotential difference between terminals of an electrical devicedrives a current through the devicebElectrical resistance impedes the current    See Answer
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