Question

21. Give the formula for each
a. Ohm's Law b. Resistance in terms of Length, Area resistivity
c. Current in terms of Resistance and Voltage d.Equivalent Resistance for Resistors in Series
e. Equivalent Resistance for Resistors in Parallel f Power produced in the resistance​

Answer 1

a.Ohm's Law

V directly proportional to I

R = V/I where R is constant.

b. R = rho l / A

R = Resistance

rho = resistivity

I = length

A = area

c. I = V/R

I = Current

V = voltage

R = Resistance

d. Rs = R1+R2+R3...Rn

Rs = equivalent resistance

e. 1/Rp = 1/R1+ 1/R2+ 1/R3...1/Rn

Rp = equivalent resistance

f. P = W/t

P = Power

W = Work/energy

t = time

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Answer 2

1. V = IR

Explanation:

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