Question 37
Electrical Energy and PowerEvery house supplied with electricity is provided with a box of fuses so that
- A.the consumption of electricity can be recorded
- B.people residing in the house will not have an electric shock if they touch a live wire
- C.the total current drawn from the mains can be limited
- D.the voltage supply can be stabilised
- E.it serves as a standby supply when there is a power failure.
Show the answer and explanation
Answer: C (the total current drawn from the mains can be limited)
Explanation
A fuse melts and breaks the circuit when the current goes above its rating, so it limits the current drawn and protects the wiring.