How much current is drawn by a computer with a resistance of 42Ω that is connected across a potential difference of 220 V? 9200 amps

Question

How much current is drawn by a computer with a resistance of 42Ω that is connected across a potential difference of 220 V?
9200 amps
6.6 amps
7.0 amps
5.2 amps

in progress 0
Thạch Thảo 4 days 2021-07-20T10:38:46+00:00 2 Answers 3 views 0

Answers ( )

    0
    2021-07-20T10:40:07+00:00

    Answer:

    5.2 amps

    Explanation:

    V = I*R

    I = V/R

    I = 220/42

    I = 5.2 amps

    0
    2021-07-20T10:40:09+00:00

    Answer:

    5.2

    Explanation:

    because

    i \frac{v}{r}

    220÷42=5.23

Leave an answer

Browse

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