Question

15. The equivalent resistance across AB is

(1) 4 Ω
(2) 6Ω
(3) 8 Ω
(4) 10 Ω​

Answer 1

Answer:

(1) 4 ohm

Explanation:

Answer 2

Answer:

The equivalent resistance across 4 Ω

Explanation:

• The obstruction to current flow in an electrical circuit is measured by resistance.
• The Greek letter omega (Ω) represents the unit of measurement for resistance. International System of Units of resistance is ohms.
• The resistance was discovered by Georg Simon Ohm (1784–1854), a German physicist who investigated the connection between voltage, current, and resistance.
• The resistance acts as a gauge to quantify how easily current will flow through a circuit. When resistance falls, current rises, and when resistance rises, current falls.

$1/R _{P} =1/R_{s} +1/R_{s'}\\\\R _{P}= \frac{R_{s} *R_{s'}}{R_{s} +R_{s'}} \\\\12*6/12+6\\\\=12*6/18\\=4 ohm$

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