Question

find the % errog inyl
do error in A, B, C and respectively then
9
and 2% 9% and 4% are the
If y:
VC​

Answer 1

Answer:

X=

c

D

A

2

B

3

=

CD

1/2

A

2

B

3

X

△X

×100‰=2

A

△A

+3

B

△B

+

C

△C

+

2

1

+

D

△D

X

△X

×100‰=2×4%+3×3%+2%+

2

1

×1%

X

△X

×100‰=8%+9%+2%+0.5%

X

△X

×100‰=±19.5%