Which of the following unit is equivalent to watt?

1. Volt x Ampere
2. Volt/Ampere
3. Ampere/Volt
4. Ohm

Which one of the following is a derived unit?

1. Metre
2. Kelvin
3. Metre³
4. Mole

The S.I. unit of pressure is:

1. Kg m^-2s^-2
2. Kg m^-1s^-2
3. Kg m²
4. Kg ms^-2

Which of the following is the smallest unit?

1. Millimetre
2. Angstrom
3. Fermi
4. Metre