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Question
Physics
The maximum error in the measurement of resistance, current and time for which current flows in an electrical circuit are 1 %,2 % and 3 % respectively. The maximum percentage error in the detection of the dissipated heat will be:
Q. The maximum error in the measurement of resistance, current and time for which current flows in an electrical circuit are 1\%,2\% and
3%
respectively. The maximum percentage error in the detection of the dissipated heat will be:
68
91
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JEE Main 2022
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A
2
B
4
C
6
D
8
Solution:
E
H
=
I
2
R
×
t
E
Δ
E
×
100
=
I
2Δ
I
×
100
+
R
Δ
R
×
100
+
T
Δ
T
×
100
=
2
×
2
+
1
+
3
=
8