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The circuit is working, and all three bulbs are lit. If a switch at B is opened,

what will happen to the circuit?

3

Y A. Bulbs 2 and 3 will go out, but bulb 1 will remain lit

• B. Bulb 2 will go out, but bulbs 1 and 3 will remain lit

• C. All three bulbs will go out.

Y D. All three bulbs will stay lit.

The circuit is working and all three bulbs are lit If a switch at B is opened what will happen to the circuit 3 Y

Answer :

Opening switch B will cause bulbs 2 and 3 to go out while bulb 1 will stay lit. This outcome is due to the interruption of the current path to bulbs 2 and 3. Understanding the configuration of the circuit is crucial in predicting such changes.

In an electrical circuit where three identical light bulbs are connected, the effect of opening switch B depends on the configuration of the circuit. Assuming a parallel circuit with bulbs 2 and 3 in parallel and bulb 1 in series, opening switch B would affect the circuit differently.

If switch B is opened and it only affects bulbs 2 and 3, the correct answer is A. Bulbs 2 and 3 will go out, but bulb 1 will remain lit. This is because opening the switch would remove the path for current through bulbs 2 and 3, while bulb 1 continues to have a complete circuit to the power source.

Here's a step-by-step explanation:

Initially, when switch B is closed, current flows through all three bulbs, lighting them up.

Opening switch B interrupts the current flow to bulbs 2 and 3.

Since bulb 1 is in series or has an independent path to the battery, it remains unaffected and stays lit.

This illustrates the behavior of current flow and the impact of opening a switch on certain parts of a circuit. Understanding circuit diagrams and the principle of current conservation helps in predicting these outcomes.

Thanks for taking the time to read The circuit is working and all three bulbs are lit If a switch at B is opened what will happen to the circuit 3 Y. We hope the insights shared have been valuable and enhanced your understanding of the topic. Don�t hesitate to browse our website for more informative and engaging content!

Rewritten by : Barada

Bulbs 2 and 3 will go out, but bulb 1 will remain lit

What is a parallel connection?

A parallel connection is a type of electrical connection in which multiple components or devices are connected side by side across the same two points of a circuit, such as two terminals of a battery or power source. In a parallel connection, each component has its own path to the power source, which means that the voltage across each component is the same.

In a parallel connection, the overall resistance of the circuit decreases as more components are added, which means that the total current drawn from the power source increases.

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