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If a wire is connected in parallel with a bulb in a circuit, the intensity of the bulb may decrease because the current can take the path of least resistance through the wire, reducing the current flowing through the bulb. Conversely, if the wire is connected in series with the bulb, the total resistance in the circuit increases, leading to a decrease in overall current and a reduction in bulb intensity. The specific impact on intensity depends on the configuration of the circuit.
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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.
If an insulator with a lamp is connected in a electrical circuit The switch is turned-on What happens?
If an insulator with a lamp is connected in an electrical circuit and the switch is turned on, the lamp will not light up. Insulators do not allow the flow of electric current, so the circuit will not be completed, and no electricity will reach the lamp to cause it to light up.
What happens to lamps A and B if lamp C burns out as shown in the circuit?
If lamp C burns out in a circuit where lamps A and B are connected in series with lamp C, then both lamps A and B will also go out. This is because the circuit is incomplete when lamp C fails, preventing current from flowing through lamps A and B. In a parallel circuit, however, if lamp C burns out, lamps A and B would remain lit as they have alternative paths for current. The specific behavior depends on how the lamps are connected in the circuit.
What is the flow of an electrical current in a circuit outside the power source?
Usually a circuit is connected to a power source, which could be a battery or an outlet. When this happens current flows through the circuit. The power supply raises electrical charges through the required potential difference, and then in the circuit the charges flow down the potential gradient giving up their energy.
What happens to the intensity of light when it enters a dnser medium?
There's no reason to expect that the intensity of light must necessarily change when it enters a different medium.
What happens when the parts of the circuit are properly connected?
oppen circuit
What happens in a battery's negative terminal when it is not part of a circuit?
When a battery's negative terminal is not connected to a circuit, it accumulates excess electrons, creating a negative charge. This creates a potential difference between the positive and negative terminals, which is the driving force for the flow of electric current when the battery is connected to a circuit.
How does charge sharing occur between two capacitors connected in a circuit?
Charge sharing between two capacitors connected in a circuit happens when one capacitor releases some of its stored charge to the other capacitor, equalizing their voltages. This occurs until both capacitors have the same voltage across them.
What happens when more than one resistor is connected to a circuit?
the current flowing in will be low
When a capacitor is connected to a circuit, what happens to the current flow through the capacitor?
When a capacitor is connected to a circuit, the current flow through the capacitor initially increases and then decreases as the capacitor charges up.
What happens to the bulbs in parallel circuit if one of the bulbs buns out?
The other bulb remain to glow with same intensity.
What happens if the ground wire is not connected in an electrical circuit?
If the ground wire is not connected in an electrical circuit, there is an increased risk of electric shock or fire because the ground wire helps to safely redirect excess electricity away from the circuit.
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.
What happens to supply voltage if additional resistance is connected in parallel circuit?
The supply voltage in a parallel circuit remains the same regardless of the number of additional resistors connected. The voltage across each resistor in a parallel circuit is the same as the supply voltage. Adding more resistors in parallel will increase the total current drawn from the supply.
What happens to the power output of each lamp if more lamps are connected in parallel?
The lamps will get dimmer. In a parallel circuit, voltage is constant. Whereas, in a series circuit, amps are constant.
What is voltage error circuit and current error circuit?
A voltage error circuit is called an error amplifier and happens when there are discrepancies between the voltage output and the reference voltage. A current error circuit happens when there is a disruption of flow in an ammeter.
What happens when a curcuit is closed?
To close a circuit in electrical terminology is to close any open devices that are in series with a connected load. Once this happens the current will flow through the load and the load is then termed as energised. In the case of a motor circuit the motor will operate. In the case of a lighting circuit the lamps in the circuit will energise and light the area in which they are installed.
