Question text
39 A student uses a transformer to light a filament lamp using a 230V a.c. supply. The lamp has a maximum voltage rating of 6.0V. 300 turns 20 turns 230 V What happens when the circuit is switched on? A The lamp does not light at all. B The lamp lights dimly. C The lamp lights at normal brightness. D The lamp lights up brightly and then goes out.
39 A student uses a transformer to light a filament lamp using a 230V a.c. supply. The lamp has a
maximum voltage rating of 6.0V.
300 turns 20 turns
230 V
What happens when the circuit is switched on?
A The lamp does not light at all.
B The lamp lights dimly.
C The lamp lights at normal brightness.
D The lamp lights up brightly and then goes out.
Select your answer: