Physics 5054 · O Level · Electrical current

Electrical current — practice question

A car battery supplies $150\,\text{kC}$ of charge to a circuit before recharging becomes necessary. Two headlamps connected in parallel to the battery are turned on. Each lamp carries a current of $4.0\,\text{A}$. What time elapses before the battery needs recharging?

  • A$2.6$ hours
  • B$5.2$ hours
  • C$7.8$ hours
  • D$10.4$ hours

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