Some visas allow for spouses to work (L visa) while other do not (for example, the H visa). You should tell an Immigration attorney what type of visa you are referring to and get a specific answer to your needs.
Yes, you can work in the US with a visa.
If you are just going to visit him in the US, all you need is a visit visa (tourist visa) but if you are planning on making your home permanently there with him, he needs to apply for a K-3 spousal visa for you.
No, you cannot work in the US with a tourist visa.
Can a US green card holder marry a filipino and petition for a spousal visa to the US
Work visa can be got through employers only. Either company in US should recruit you and apply for your work visa or company in your home country also can send you to work in US on a work visa. Depending on the requirement and your eligibility you will be issued a visa with which you get authorization to work in US.
Work visa can be got through employers only. Either company in US should recruit you and apply for your work visa or company in your home country also can send you to work in US on a work visa. Depending on the requirement and your eligibility you will be issued a visa with which you get authorization to work in US.
No, someone with a tourist visa is not allowed to work in the US.
No, you cannot work for a US company from India without a visa.
No, US citizens cannot work in the UK without a visa.
If you are a Canadian citizen and your spouse is a TN visa holder, you may be eligible to apply for a TD visa, which allows you to enter and stay in the US as a dependent of your spouse. However, the TD visa does not grant you authorization to work in the US. If you want to work in the US, you would need to separately apply for a work visa that suits your qualifications and employment situation, such as an H-1B visa or an L-1 visa.
Work visa
No, you generally need a work visa to work remotely for a US company while residing outside the US.