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IMSO 2008 Science Taiwan Second Round Theory I Question 7

IMSO Science · IMSO 2008 Science Taiwan Second Round Theory I

Question 7

Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).

A car headlight and dashboard light operate at the same voltage. The headlight consumes more power because:
  1. its resistance is lower
  2. its current is larger
  3. it uses energy faster
  4. all of the above