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  1. A 6 bit DAC uses binary weighted resistors. If MSB resistor is 20 k ohm, the value of LSB resistor is

    2. A.
    20 k ohm
    B.
    80 k ohm
    C.
    320 k ohm
    D.
    640 k ohm

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    Answer : Option D

    Explanation :

    Resistances are R, 2R, 4R, 8R, 16R and 32R.

    LSB resistance = 32R = 32 x 20 = 640 K ohm.

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