Question

define
(a) standard of length
(b) standard of time
(c) standard of current ​

Answer 1

Answer:

• meter
• second
• Ampere

........

Answer 2

Standard of length time and current

To nullify the confusion that may arise due to consideration of different types of or measures of unit of a quantity international standardization of units had been done.There are different physical quantities of dimensions present which are are taken into calculations but if different measures units of the quantities are taken that arises a lot of confusion and a lot of work for making it clear to others this is where the standard units of the physical quantities comes into picture, the standard unit allows everyone internationally  to use same unit for the quantity.

• standard of length:  one of the basic physical quantities that is present length as a standard unit of measurement as meters.
• standard of time: time is another physical quantity which is taken as the basic  dimension and the unit of measurement of time is taken as seconds.
• Standard of current:  the physical quantity of current is another basic quantity which has its own standard unit of measurement as amperes.

To know more:

1.Standard Unit of length=

2.Standard Unit of Time=

3.Standard Unit Of Mass=​

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