Question

A potential difference of 3.15 V is applied across points a and b in the figure. R₁ is equal to 7.25 Q, R₂ is equal to 14.5 Q, and R3 is equal to 6.25 Q. Find the current through each of the resistors, and the total current Itotal that the three resistors draw from the power source.

a)I₁=?
b)I₂=?
c)I₃=?
d)I total=?

Answer 1

To find the current through each resistor and the total current drawn from the power source, we can use Ohm's Law and Kirchhoff's laws.

Step-by-step explanation:

To find the current through each resistor and the total current drawn from the power source, we need to apply Ohm's Law and Kirchhoff's laws. First, let's find the total resistance (Rtotal) by summing the individual resistances (R1, R2, and R3). Then we can use Ohm's Law (I = V/R) to find the current through each resistor (I1, I2, and I3) by dividing the potential difference (V) by the respective resistance. Finally, we can find the total current (Itotal) by summing the individual currents (I1, I2, and I3).

a) I1 = V/R1

b) I2 = V/R2

c) I3 = V/R3

d) Itotal = I1 + I2 + I3