Density is defined as [mass] / [volume] .
The only choice listed with those physical dimensions is 'd' .
Answer:
water
Explanation:
water is not an element, it is a molecule
Answer:
Explanation:
Given
Velocity of point is given by
To get maximum or minimum velocity differentiate v w.r.t t
so should be equal to zero
i.e.
Answer:
current I1 = current I2
Explanation:
since the wire is made up of the same material, from Kirchoff's current law sum of currents entering a particular node or segment of wire is equals to the sum of currents leaving that particular node or segment of wire