Answer:
Explanation:
U AN EITHER USE THE FORMULA
V = I*R
WHEN VOLTAGE AND CURRENT ARE GIVEN
OR THE FORMULA
R = ρ L/A
WHERE ρ = RESISTIVITY OF THE MATERIAL.
L = LENGTH OF THE WIRE.
A = AREA OF CROSS SECTION OF THE WIRE.
[1] WHEN IN SERIES COMBINATION:
R NET = R1+R2+R3....
[2] WHEN IN PARALLEL COMBINATION:
1/ R NET = 1/R1+1/R2 +1/R3.....
HOPE THIS HELPS.
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Answers & Comments
Answer:
Explanation:
U AN EITHER USE THE FORMULA
V = I*R
WHEN VOLTAGE AND CURRENT ARE GIVEN
OR THE FORMULA
R = ρ L/A
WHERE ρ = RESISTIVITY OF THE MATERIAL.
L = LENGTH OF THE WIRE.
A = AREA OF CROSS SECTION OF THE WIRE.
[1] WHEN IN SERIES COMBINATION:
R NET = R1+R2+R3....
[2] WHEN IN PARALLEL COMBINATION:
1/ R NET = 1/R1+1/R2 +1/R3.....
HOPE THIS HELPS.