Question

Three resistors are connected aa shown in diagram. Through the resistor 5 ohm a current of 1 ampere is following.
1)what is the current through the two other resistor?
2)what is the PD across a b and across AC?
3) what is the total resistance

Answer 1

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➧ Total resistance
➾ 1 / 10 + 1 / 15 + 5
➾ 11 ohm

I = 1A 　　　,　　 V = IR

V ➾ 1 × 5
　➾ 5V (ACCROSS AB)

V = 1 × 11
　➾11V (ACCROSS AC)

➧ V (ACCROSS BC i.e OTHER 2 RESISTORS)

➾ 11 - 5
➾ 6V (AC - AB = BC)

➧ I = V / R

I1 = 6 / 10
➾ 0.6 ...✔

I2 = 6 / 15
➾ 0.4 A ...✔

_________
Thanks...✊