A parallel circuit consisting of (4 + j3) Ω and (3 - j4) Ω is connected across a 100 V DC supply. What will be the current drawn from the source?

Question

Question

This question was previously asked in

MPPGCL JE Electrical 28 April 2023 Shift 3 Official Paper

Answer 1

Concept

The current drawn from the source is:

Calculation

Given, Z₁ = (4 + j3) Ω

Z₂ = (3 - j4) Ω

I = 20 (0.8 - j0.6) + 20 (0.6 + j0.8)

I = 20 (0.8 + 0.6 - j0.6 + j0.8)

I = 20 (1.4 + j0.2)

I = 28 + j 4

I = 28.28 A

The closest option to 28.28 A is option 4.

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