calculate the correct fuse that should be used for a 230V,1KW electric hair dryer.​

Question

calculate the correct fuse that should be used for a 230V,1KW electric hair dryer.​

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Khang Minh 5 years 2021-07-25T10:36:55+00:00 1 Answers 101 views 0

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  1. diemthu
    0
    2021-07-25T10:38:50+00:00
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    Answer: 4 A

    Explanation:

    Given

    Voltage V=230\ V

    Power P=1\ kW

    Power is given by P=VI\\

    Insert the values

    \Rightarrow 1000=230\times I\\\\\Rightarrow I=\dfrac{1000}{230}\\\\\Rightarrow I=3.84\ A

    The rating of fuse is slightly higher than the normal operating conditions. Therefore, a 4 A fuse should be used here.

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