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Does a lamp with a thick filament draw more current or less current than a lamp with a thin filament?
A lamp with a thick filament will draw more current. What restricts the current flow in the filament is the resistance of the filament which increases as the temperature of the filament increases. A thin filament requires less energy to get heated up that a thick one so less current to achieve threshold resistance. Also a thick filament provides a broader path for current so there is less resistance per increase in degree centigrade. For these two (closely related but distinct) reasons it will require more current for the filament to get heated up to threshold resistance.
Will the current in the light bulb connected to a 220v source be greater or less than when the same bulb is connected to a 110v source?
A: The current is not a function of voltage available but rather the power needed to light the lamp. To answer your question a 100 watts lamp will require 1.83 times more current for a lamp rated as 100 watts at 120 volts.It is a basic ratio 220:120AnswerI disagree with the previous answer. The power rating of a lamp only applies when the lamp is subject to its rated voltage -which is why both values are shown on the lamp (e.g. 60 W / 120 V).So, if you subject a lamp to less than its rated voltage, it will not achieve its rated power. In fact, the decrease in power will be significantly greater than the corresponding decease in voltage. It will certainly not 'compensate' by drawing more current!However, to directly answer your question, the current drawn by a lamp connected to a 220-V supply will indeed be greater than the current drawn by the same lamp connected to a 110-V supply.
Does a lamp with a thick filament draw more or less current than a lamp with a thin filament?
A lamp with a thick filament will draw more current. What restricts the current flow in the filament is the resistance of the filament which increases as the temperature of the filament increases. A thin filament requires less energy to get heated up that a thick one so less current to achieve threshold resistance. Also a thick filament provides a broader path for current so there is less resistance per increase in degree centigrade. For these two (closely related but distinct) reasons it will require more current for the filament to get heated up to threshold resistance.
How does the amount of current in a home circuit differ from the amount of current in a reading lamp?
The current in a reading lamp would be a small part of the total current in a home. For example, a home may have 100 amp service, while a reading light may draw less than 1 amp, so about 1% of the total.
An incandescent lamp connected to 120 voltage source with a short extension cord provides more illumination than the same lamp connected to the same source with a very long extension cord?
A: absolutely not lamps needs current a long cord introduce IXR drop making less current for the lamp to use it
Why input current of USis less than Output current?
Why input current of USis less than Output current?
What appliance uses the larger current a toaster or a table lamp?
A toaster typically uses a larger current than a table lamp because it generates heat to toast bread quickly, requiring more energy. Table lamps are designed for illumination and usually consume less power.
Is the current in one branch of a parallel circuit more than less than or equal to the total current?
its less then the total current
How is LED different from lamp?
similarity between lamp and LED- lamp in simple current is used to show that current is flowing and LED performs the same task but in electronic circuit .difference between lamp and LED-lamp in simple current is used to show that current is flowing and LED performs the same task more efficiently but in electronic circuit . so LED works more efficiently in electronic circuit than lamp which performs task in simple circuit.
Is .000001 amp of current better than .0001 amp of current?
No, it is less current than .0001.
Which kind a light bulb uses the least amount of energy a fluorescent lamp a halogen lamp a incandescent lamp or a heating lamp?
Fluorescent lights use far less energy than any of the others listed.
Do heat lamp bulbs use less than regular bulbs?
No, they use more electricity.
