You need to let your muscles rest for a good amount of time therefore 2 minutes is a good enough time for you to feel it start to work and get a drink of water so you can start again.
The exercise that helps in the increase the hypertrophy or building muscle should be for beginners would be 1 set with 20 repetition maximum with the resting period in between the sets which is 30 second maximum.
It will help in building the muscles as quickly as possible with the 30 seconds in between sets of resting period. Endurance can be improve with this guided training.
