Can a 5 A fuse be used in wire carrying 15 A current? Why? [2 MARKS]

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Solution

Each point: 1 Mark

1. No, because it would then be ineffective in controlling the amount of current flowing.
2. It happens so because as soon as the current in the circuit crosses 5A, the fuse will melt thus discoonecting the whole circuit.

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Can a 5 A fuse be used in wire carrying 15 A current? Why? [2 MARKS]

Each point: 1 Mark 1. No, because it would then be ineffective in controlling the amount of current flowing. 2. It happens so because as soon as the current in the circuit crosses 5A, the fuse will melt thus discoonecting the whole circuit.

Each point: 1 Mark

1. No, because it would then be ineffective in controlling the amount of current flowing.
2. It happens so because as soon as the current in the circuit crosses 5A, the fuse will melt thus discoonecting the whole circuit.