Officer Aptitude Rating (OAR) Test 2025 – 400 Free Practice Questions to Pass the Exam

When considering whether electricity can flow through a circuit with a burned-out bulb, it's essential to understand the basic principles of electrical circuits. A burned-out bulb essentially acts as an open circuit. In a simple series circuit, when one component fails (such as a bulb burning out), it interrupts the path for the current, preventing electricity from flowing. Thus, in this case, it is accurate to say that electricity cannot flow because the circuit is incomplete.

In contrast, a circuit with multiple paths, such as in a parallel circuit, may still allow current to flow through other components, even if one bulb is burnt out. However, that scenario does not apply when speaking strictly about a single circuit with the burned-out bulb without alternative pathways.

Therefore, the correct understanding is that when a bulb burns out and creates an open circuit in a series setup, electricity cannot continue to flow, leading to the conclusion that the answer indicating that it cannot flow is indeed correct.