Physics 5054 · O Level · The transformer

The transformer — practice question

A student uses a transformer to power a filament lamp from a $230\text{ V}$ a.c. supply. The lamp’s maximum voltage rating is $6.0\text{ V}$. What occurs when the circuit is switched on?

  • AThe lamp does not light at all.
  • BThe lamp lights at normal brightness.
  • CThe lamp lights dimly.
  • DThe lamp lights up brightly and then goes out.

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