A ripple counter with n flip-flops can function as a

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ESE Electrical 2015 Paper 2: Official Paper
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  1. n: 1 counter
  2. n/2: 1 counter
  3. 2n: 1 counter
  4. 2n: 1 counter

Answer (Detailed Solution Below)

Option 4 : 2n: 1 counter
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Detailed Solution

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Ripple Counter :

For a ripple counter if the number of flip flops is 'n' then total states are 2n and MOD is 2

BCD Counter :

A BCD counter counts 10 states from 0 to 9 

It is MOD 10 counter 

Number of flips required 4 

Ring counter:

A n bit ring counter counts n states and mod is "n"

Johnson Counter:

A n bit Johnson ring counter has 2n states and the mod is 2n

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