An electrical circuit having combinations of resistances and capacitance is given below. The current, flowing through the circuit will be

  1. A. 1 A
  2. B. 2 A
  3. C. 1.5 A
  4. D. 0.5 A

Correct Answer: D. 0.5 A

Explanation

In a steady-state DC circuit, a capacitor acts as an open circuit (blocking current). Therefore, current only flows through the resistors connected in series with the voltage source. With a 10 V source and two 10 \Omega resistors in series (20 \Omega total effective resistance), the current is I = \frac{V}{R} = \frac{10}{20} = 0.5 \text{ A}.

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