The wire of resistance 5 Ohm is drawn out so that its length is increased to twice its original length. The value of its new resistance is
Class 10 Electricity
Answers
Answered by
0
Answer:
Answer
we have R=
A
ρL
if we increase the length the resistance is also increase
In this case length become 2L so R
1
=
A
ρ2L
=2R
R=5Ω
⇒R
1
=2×5=10Ω
new resistance is 10Ω ,resistivity is constant it is a matrial property
Answered by
0
Answer: we have R=
A
ρL
if we increase the length the resistance is also increase
In this case length become 2L so R
1
=
A
ρ2L
=2R
R=5Ω
⇒R
1
=2×5=10Ω
new resistance is 10Ω ,resistivity is constant it is a matrial property
Explanation:
Similar questions