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28 March, 08:09

A 24 volt doorbell carries a current of 1/2 ampere. Calculate the resistance in the bell

1.

2.

3.

+3
Answers (1)
  1. 28 March, 08:16
    0
    48 ohms

    Explanation:

    V = IR

    Given Current I = 1/2 ampere

    Voltage V = 24v

    R = ?

    Therefore,

    24 = 1/2 x R

    Cross multiply

    R = 24 x 2

    R = 48 ohms
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