Question

15) If in the given arrangement, the three resistors are to be replaced by a single resistor. What will be the

value of this resistor?

a. 4Ω

b. 6Ω

c. 9Ω

d. 18Ω
​

Answer 1

Explanation:

15) If in the given arrangement, the three resistors are to be replaced by a single resistor. What will be the

value of this resistor?

a. 4Ω

b. 6Ω

c. 9Ω

d. 18Ω

Answer 2

Answer:

If resistances are converted into a single resistor, it is called as

Equivalent Resistance.

So the equivalent resistance, in this case, will be

1st

We can see that 6 ohms and 6 ohms are in parallel.

So, 1/6+1/6=1/3

So, the parallel resistance is 3 ohm.

2nd

Now, we can see that 3 ohms and 6 ohms are in series.

So,

3 ohm+ 6ohm = 9 ohm.

The Answer is 9 ohm as Equivalent Resistance.

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