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It is not true that

**R**=V/length. You can get resistance**R**= V / I where... suspect that it is to calculate the resistivity ρ of the wire material.**R**= ρℓ / A so, if you plot**R**(vertical) vs ℓ/A...2 Answers · Science & Mathematics · 11/09/2019

The voltages across the middle branch (

**R**) and across the right hand branch (**R**+10) are equal as the branches...3 Answers · Science & Mathematics · 19/08/2019

Potential from a charge is V = kQ/

**r**in volts k = 1/4πε₀ = 8.99e9 Nm²/C²**r**is separation in meters q is charge in coulombs so the relationship is inverse, c1 Answers · Science & Mathematics · 06/03/2019

E 2 π

**r**= - dΦ(B)/dt E = - [1 / (2 π**r**)] dΦ(B)/dt B = Bo - k t dΦ(B)/dt = π**r**^2 dB/dt = - k π**r**^2 E = 1/2 k**r**E = 0.5*0.3*0.2 = 3x10^-2 V/m1 Answers · Science & Mathematics · 30/04/2019

... I = 0.82 A. What is the value of resistor

**R**Best way to do these problems is to solve what you can, ...2 Answers · Science & Mathematics · 03/10/2019

Yes.

**r**, r1 and r2 do not depend on time explicitly. Therefore the motion is conservative.2 Answers · Science & Mathematics · 23/02/2019

... is the volume VG of the Gaussian sphere (radius

**R**) … “ should be: “What is the volume VG of the Gaussian...2 Answers · Science & Mathematics · 10/09/2019

...proof, start with gravitational force = centripetal force GmM / R² = mv² /

**R**and since KE = ½mv² GmM / R² = 2*KE...1 Answers · Science & Mathematics · 07/05/2019

... where k = 1/4πε₀ = 8.99e9 N·m²/C² For

**r**< 10 cm, the outer shell of charge has no effect on the field...1 Answers · Science & Mathematics · 12/09/2019

**r**= 7.31 *10^-11 m That's what it says. It is not**r**^2 = 7.31 *10^-11 m.**r**^2 = 5.34×10^-21 m --------------------- Did it not just...3 Answers · Science & Mathematics · 05/02/2019

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