Thursday

November 27, 2014

November 27, 2014

Posted by **Ashley** on Thursday, November 29, 2012 at 3:08pm.

- Physics -
**Damon**, Thursday, November 29, 2012 at 4:10pm1/R = 1/R1 + 1/R2 = (R1 + R2)/R1 R2

so

R = R1 R2 / (R1+R2)

= 6/5 = 1.2 Ohms

to derive

i1 = V/R1

I2 = V/R2

i = i1+i2 = V/R1 + V/R2

but

R = V/i = V/(V/R1 +V/R2) = 1/(1/R1+1/R2)

= R1 R2 / (R2 + R1)

**Answer this Question**

**Related Questions**

physics (please check) - A total resistance of 3 ohms is to be producd by ...

physics - A 18.7 ohm and a 24.3 ohm resistor are connected parallel. A ...

science - Three different resistors: 10 ohm, 20 ohm, and 20 ohm are connected in...

Physics - Two resistors connected in series have an equivalent resistance of 783...

physics - two unknown resistors a and b are connected together. when they are ...

physics - the effective resistacce of two resistors connected in series is 100 ...

Physics - A 22-ohm resistor and a 33-ohm resistor are connected in series and ...

maths - if two resistors of r1 and r2 ohms are connected in parallel in an ...

Physics - Find the equivalent resistance in 16 ohm and 8.0 ohm connected in ...

physics - resistors of 30 ohms and 60 ohms are connected in parallel and joined...