Three resistors arc connected in series across a D-cell battery, as shown in the

Question

Three resistors arc connected in series across a D-cell battery, as shown in the diagram. Calculate the following quantities. a. The total resistance, R_eq. b. The total current provided by the battery. c. The current through each resistor. d. The potential difference across each resistor. Three resistors arc connected in parallel across a D-cell battery, as shown in the diagram. Calculate the following quantities. a. The total resistance, R_eq. b. The potential difference across each resistor. c. The total current provided by the battery. d. The current through each resistor.

Explanation / Answer

As you asked multiple questions , so i am bound to answer first one.

3.(a)

Rtotal = 200 + 100 + 300 = 600 ohm

(b)

I = V / R = 1.5 / 600

I = 0.0025 A

(c)

since it is a series cobination , so current will be equal in all resistors.

ieach = 0.0025 A

(d)

voltage across 200 ohm,

V1 = i*R = 0.0025*200 = 0.5 V

voltage across 100 ohm,

V2 = 0.0025*100 = 0.25 V

voltage across 300 ohm,

V3 = 0.0025*300 = 0.75 V

answer

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