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26 January, 13:59

Two equal resistors are connected in series with a 1.50V battery. In order to keep the current at 0.030 A, the resistors much each have a value of of what (two digits)

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  1. 26 January, 16:14
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    Answer: 25 Ohms

    Explanation:

    From this question, the following parameters are given:

    Voltage V = 1.5 v

    Current I = 0.03A

    From Ohm's law;

    V = IR

    Where R = resultant resistance of the two resistors.

    Substitute V and I into the formula and make resultant R the subject of formula.

    1.5 = 0.03 * R

    R = 1.5/0.03

    R = 50 Ohms

    From the question, it is given that Thr two equal resistors are connected in series.

    R = R1 + R2

    But R1 = R2

    50 = 2R1

    R1 = 50/2

    R1 = 25

    R1 = R2 = 25 Ohms

    Therefore, the resistors must each have a value of 25 Ohms
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