A bulb is rated as 25Watt -250 Volt. On connecting this bulb to a mains of 250 volts, what will be the value of current (I) flowing in it, a

Question

A bulb is rated as 25Watt -250 Volt. On connecting this bulb to a mains of 250 volts, what will be the value of current (I) flowing in it, and how much resistance (R) will the bulb provide to this flow of current?

in progress 0
Delwyn 3 months 2021-07-24T14:26:11+00:00 1 Answers 4 views 0

Answers ( )

    0
    2021-07-24T14:27:37+00:00

    Answer:

    I=0.1          R=2500

    Explanation:

    Resistance

    R=\frac{V^{2} x}{P} \\=\frac{250^{2} }{25} \\=2500

    Current

    I=\frac{250}{2500} \\=0.1

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )