PH-1901
Electrical power and energy
Physics · Secondary 4 · Medium · Electrical power and energy
A 240 V, 1200 W heater is protected by a fuse.
Calculate the current in the heater when it is working normally, and choose the most suitable fuse rating.
Calculate the current in the heater when it is working normally, and choose the most suitable fuse rating.
- 5.0 A current; 7 A fuse
- 5.0 A current; 5 A fuse
- 3.0 A current; 3 A fuse
- 7.0 A current; 13 A fuse
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