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Standard X
Physics
Transformer
The percentag...
Question
The percentage error in the measurement of thevoltage V is 3% and in the measurement of thecurrent is 2%. The percentage error in themeasurement of the resistance is(2) 2%(1) 3%(3) 1%(4) 5%
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Q.
The resistance of a given wire is obtained by measuring the current flowing in it and the voltage difference applied across it. If the percentage errors in the measurement of the current and voltage are each
3
% respectively, the maximum percentage error in measurement of resistance is:
(
R
=
V
I
)
Q.
In the measurement of a physical quantity
X
=
A
2
B
C
1
/
3
D
3
the percentage errors introduced in the measurements of the quantities A, B, C and D are 2%, 2%, 4% and 5% respectively. The minimum amount of percentage error in the measurement of X is contributed by :
Q.
Let
x
=
[
a
2
b
2
c
]
be the physical quantity. If the percentage error in the measurement of physical quantities a, b and c is
2
,
3
a
n
d
4
percent respectively then percentage error in the measurement of x is
Q.
The percentage error in a measurement of
6
m
m
is
0.1
%
, the error is (in
m
m
) :
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