Explanation
Relative velocity which is vector subtraction of two velocities will also be a vector of the form of velocity so, its dimensional formula will remain unchanged. Relative velocity is measured not by calculating ratio but by calculating difference.
Two resistors of resistances R1=150±2 Ω and R2=220±6 Ω areconnected in parallel combination.Calculate the equivalent resistance.
The dimensional formulafor the physical quantity Bμ0ϵ0E is : (E=intensityof electric field, B-magnetic induction and symbols have their usual meaning)
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