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Three different bulbs are connected in series when switch is closed the last bulb does not glow why?
Wiki User
∙ 14y ago
because the switch is closed
Wiki User
∙ 14y ago
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Which bulb will glow at first when 3 bulbs are connected in series and switch is connected after 1 bulb?
All the three would glow at the same instant.
Why does the light turn on as soon as you flip the lightswitch?
The light is connected in a electrical circuit. The electricity will only pass through the circuit if the circuit is closed. A switch can open and close this circuit by simply not making contact with the next wire so the electricity can not be passed on. When you turn on the switch, the circuit gets closed again and the electricity will run through, so to the light. Because electricity has the speed of light (+-300 000 km/h) it will seems like the electricity reaches the light immediately. Plus the neutral travels through the filement of the bulb and down the switch wire giving an instant closed circuit when switch is closed
How does a torch work-circuit?
A torch is simply a circuit containing a battery, a bulb and a switch. The three components are connected in series (one after the other) to form a loop. The switch simply completes the circuit so that power flows from the battery to the bulb.
Is a switch in series with what it controls or in parallel?
An AC wall switch is in series within the parallel circuit of the overall house wiring.
What energy conversions occur when the switch is closed?
light energy-electrical energy-thermal energy
A switch is connected in a series with a 75-W bulb to a source of 120V. what is the potential difference across the switch when it is closed?
If the switch, light bulb, and source are all connected in series and the switch is ideal (has no resistance), then the switch acts as a short. There is no potential difference across the short.
What are all the components of active clamp circuit?
a switch and a capacitor which is connected in series with the switch
What happens if you move a switch and the circuit wires are not all connected?
When a switch is open (wires not connected) it is considered off. When a switch is closed it is considered on. If you move a switch and the wires are not connected the the circuit is open and current cannot run throughout the circuit to power the device.
How do you connect an ON-OFF switch to control the light?
To control a light with a switch, the switch has to be connected in series with the light fixture.
Where is a series circuit used on daily basis?
The on-off switch on your nightstand, which is connected in series with the lightbulb.
How do you draw open and closed circuits?
It's open and closed circuit.An open circuiit is a break, or disconnection, in a circuit. It could be, for instance, a switch in the "off" position.A closed dircuit is one which is connected (to something). It may be through a switch in the "on" position.
What is in a light bulb when it's switch is turned on or connected the electricity flows through what we call?
A closed current
What happens to the coil of wire when someone presses the switch?
If the coil is connected to a circuit and the switch is closed then, provided there is a power source, the coil will become energized.
Why the isolator should not closed with load?
Isolation switches can be closed with loads connected. The isolation switch should not be opened under load unless the switch is load rated. This information can be found on the isolation switch's cover as to the amount of current that can be safely interrupted.
What is a closed switch?
A normally closed switch is a switch that is normally closed. When you operate it, it opens.
Are thermostats in central heating systems usually connected into circuits in series or parallel?
In series. If they are connected in parallel then they won't cut off power supply when they switch off or when they open their contacts.
What will happen to the charges in a circuit a when a switch is closed?
the electrons are not allowed to enter into the circuit.
