Question

help me . if you will give the corrext answer i will mark u as brainalist​

Answer 1

Q12(a)

i)a) if the thickness of wire increases, the resistance decreases.

b) the metal having the most free electrons are like to conduct more electric current and have less resistance

ii)average speed=

total distance covered/total time taken

=10+20/11.5+0.5+24

=30/36= 5/6 km/min

Q12(b)

i)a) In Close circuit, electric current can pass through easily as it conduct electricity i.e. allows the flow of electric current.

b)bulb stops to glow when the circuit is open.

ii)a) spring balance and mean balance

b)Graduated cylinders and measuring cylinders

*PLZZ DO MARK ME AS BRAINLIEST*

IF ANY DOUBT CAN BE SHARED IN COMMENT SECTION

Answer 2

Answer:

tum eshaal peerzada ko jaanti ho