In this case, it is easier to switch on or off all the appliances connected together. It is used when hundreds or thousands of bulbs are to be used together So that same current passes through all, and they can switched on and off together.
Explanation: As mentioned above, parallel circuits are the most well known in homes and office buildings. They are used so that every appliance you purchase locally will be powered with the correct voltage at any outlet in the house, with special plugs for high voltage heaters ovens and dryers. A circuit-breaker is a tight set of restrictions designed to reverse the tide of the epidemic and bring the number of cases down.
The rules could feel a lot like the original national lockdown — but crucially a circuit-breaker is for a fixed period of time. Solution: Head out to the main electrical panel, open the outside cover and there you see 20 — 30 or more circuit breakers.
Next to each breaker number is a description of each circuit and what it controls. Begin typing your search term above and press enter to search. Press ESC to cancel. Skip to content Home Assignment What makes a bulb glow brighter? Ben Davis April 4, What makes a bulb glow brighter? What makes a lightbulb shine? The current reads the same for each component. In parallel, each branch shows the same potential difference, so the bulbs on one branch will have the same relative brightness.
The current for each bulb will add up to the current near the battery. Suggested practical - investigating the brightness of bulbs Investigate the brightness of bulbs in series and parallel This experiment will investigate how the brightness of bulbs changes depending on whether they are arranged in series or parallel.
Aim of the experiment To see how the brightness of bulbs change as they are connected in series and parallel , and to measure the potential difference across the bulbs and the current through the bulbs in series and parallel.
Method Build a simple series circuit with one bulb and a battery. Add an ammeter in the loop and a voltmeter in parallel with the bulb, as shown in the first diagram. Take notes about the brightness of the bulb, for example whether it is bright or dim. Record the readings from the ammeter in amps A and the voltmeter in volts V.
Add another bulb into the loop, as shown in the second diagram. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Among current and voltage which is responsible for brightness of a bulb? Ask Question. Asked 4 years, 6 months ago. Active 2 years, 4 months ago. Viewed 26k times. Improve this question. Vinit Chaudhari Vinit Chaudhari 49 1 1 gold badge 1 1 silver badge 4 4 bronze badges.
Add a comment. Active Oldest Votes. Power is voltage times current, so both matter. Improve this answer. Olin Lathrop Olin Lathrop So for purposes of the answer R does not depend on v or i, and I hope that my last paragraph covers the general case in which R is not constant. I'm sure there are other calculations for light-emitting-diodes, etc.
I will edit to reflect this.
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