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Q: What happens to the current through bulb 2 if the switch s is opened?
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What happens when you switch plug sockets on?

The current flows through the cable of the plug, to whatever wants to be turned on.


When a circuit is opened what happens?

Nothing. An open circuit means no current is flowing. When the circuit is closed, current flows, the filament of the bulb is heated by the current and glows, giving off light. But when the circuit is open, nothing happens.


What happens when a switch circuit is opened?

When a switch is closed the path through the circuit is continuous.


In a circuit the purpose of a switch is to?

In a circuit, the purpose of a switch is to control the current flow to the load by opening the circuit (off) or closing the circuit (on). When the circuit is open, the is no complete loop through which the current can flow. When the switch closes the circuit, it restores the loop, and thus allows the current to flow.


What happens when the switch is open in a circuit containing wires a light bulb a switch and a battery?

When you open a switch to a light for example, you cause a break in the flow of current to the light. Opening a light switch means you are turning the light off by stopping the flow of current to it. Closing a switch means you have completed a circuit (basically a loop) and current now flows causing the light to go on. Think of electricity like water. To cause your bath tub to fill up (light on) you have to also complete the circuit by turning the tap. Now we have water flow. (current) To stop the flow of water, we want to open the circuit by turning the tap in the opposite direction causing a break in the flow of water.

Related questions

What happens when a switch in a current is opened?

current through the switch become 0.and switch become a high value resistor.


What happens when a switch a current is opened?

current through the switch become 0.and switch become a high value resistor.


When a switch in an electrical circuit is turned off what will happen?

Closing a switch in an electrical circuit will complete the circuit. The supply voltage will then be applied to that circuit, and current will flow through that circuit.


What happens when you switch plug sockets on?

The current flows through the cable of the plug, to whatever wants to be turned on.


What happens when we switch on the tube light does current flow through it or voltage?

http://en.wikipedia.org/wiki/Fluorescent_lamp


What is a vibration switch?

it is a switch,current goes through when switch is on and the current doesn't go through when its off you're welcome


What happens if the switch is open?

If the switch is open, current does not flow.


When a circuit is opened what happens?

Nothing. An open circuit means no current is flowing. When the circuit is closed, current flows, the filament of the bulb is heated by the current and glows, giving off light. But when the circuit is open, nothing happens.


What happens when a switch is in a circuit is opened?

it prevents electricity to flow. i hope that is right


What happens when a switch circuit is opened?

When a switch is closed the path through the circuit is continuous.


What happens when a switch in a series circuit is opened?

it prevents electricity to flow. i hope that is right


What happens to the current when a switch is on?

It moves to equalise a potential difference