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Magnetic Field Due to Finite Wire

Two T-flip fl...

Question

Two T-flip flops are connected as a synchronous counter that goes through the following $Q_{B} Q_{A}$ sequence

A

$T_{A} = 1; T_{B} = Q_{B}$

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B

$T_{A} = {¯ ¯¯ ¯ Q}_{B}; T_{B} = 1$

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C

$T_{A} = Q_{A} {¯ ¯¯ ¯ Q}_{B}; T_{B} = 0$

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D

$T_{A} = {¯ ¯¯ ¯ Q}_{A} Q_{B}; T_{B} = 1$

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Solution

The correct option is B
$T_{A} = {¯ ¯¯ ¯ Q}_{B}; T_{B} = 1$

(b)
$P r e s e n t S t a t e N e x t S t a t e T_{B} T_{A} Q_{B} Q_{A} Q_{B}^{+} Q_{A}^{+} 001111011011100010110110 T_{B} = 1; T_{A} = Q_{B} Q_{A} + Q_{B} Q_{A} T_{A} = Q_{B}$

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