In a 4-bit weighted resistor D/A converter, the resistor

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In a 4-bit weighted resistor D/A converter, the resistor value corresponding to LSB is 32-k ohm. The resistor value corresponding to MSB will be _________kΩ

1. 1
2. 2
3. 3
4. 4

Correct Option: D

2^n–1 R = 32,
where n = 4
∴ 2³R = 32
⇒ R = 4k -ohm