Question

If 10 resistances each of 15 ohm are connected in parallel, the equivalent resistance is
Options
zero
15
O 150
O 15​

Answer 1

Answer:

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Answer 2

Given: 10 resistors of resistance = 15ohm each connected in parallel.

To Find: equivalent resistance = Req = ?

Solution:

Formula used:

• Equivalent Resistance for resistors connected in parallel 1/Req = 1/R₁ + 1/R₂ + 1/R₃..........+ 1/R₁₀

Applying the above formula:

R₁ = R₂ = R₃ =......= R₁₀ = 15ohm

1/Req  = 1/15 + 1/15 + .........+ 1/15 (10 times)

1/Req = 1/15 × 10

1/Req = 10/15

Req = 15/10

Req = 1.5ohm