Yes you can, there is no compulsion that you have to continue with the field that you pursue then, you can choose whichever field you want for masters. But if the fields are not connected, the only drawback is that you will have to study the field from the basics, which is uncomfortable for a few people. But if you are passionate, you can do whatever you want. All the best! No field is ever referred to as "best field", it all depends on you.
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