#### • Class 11 Physics Demo

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#### • dc series parallel circuit

Question:advantages and disadvantages of series and parallel circuits... pls. list some.. i need it today... thanks!!

Answers:Circuits that require the same voltage are best connected in parallel as the same voltage is applied to all devices. The advantage is that if a device fails the rest of the devices in a circuit still operate. The disadvantage is that the failure may go undetected since the circuit is still operable and may be hazardous. Circuits that require the same current flow are connected in series so that the same amount of current is going through all the devices. These series circuits are used primarily for motor control devices and some specialty lighting. The advantage is that a single control device can control all the devices. The disadvantage is that if one device fails then the entire circuit normally fails.

Question:Hey i need some advantages/ disadvatages of series and parallel circuits! thanks

Answers:In a parallel circuit, if a lamp breaks, the others stay lit. In a series circuit, they do not. But, you can multiply voltage in a series circuit, parallel circuits you can not.

Question:I'm currently taking gr. 9 science, and I need clarification on this subject.

Answers:There are no advantages of disadvantages to parallel or series circuits in general. They are just different. Each has its own characteristics which may be advantageous or disadvantageous depending on the circumstances. For example, in a series connection, the same current goes through all the elements. If these elements are old fashion low voltage Christmas lights, then the fact that one one lamp goes out the whole string goes dark is a major disadvantage. If these are LEDs which almost never go out, that isn't a problem, but the fact that you can use a high voltage source without converting to a lower voltage is a major benefit. Almost all Christmas lights now use high voltage bulbs wired in parallel, but LED flashlights all use LEDs in series. Elements connected in parallel all see the same voltage. This is not a problem when th elements can tolerate voltage variations, but is a problem when they can't. Thus light bulbs in parallel work well. Batteries in parallel don't work as well because each battery really wants a slightly different voltage. If they were forced to have the same, the current would not be evenly balanced. (You can connect batteries in parallel but it takes extra care. That's why flashlights, etc. always use batteries in series.) When elements are in parallel, you can connect or disconnect an element without affecting the others. For appliances being plugged into wall outlets, this is a major advantage; for other applications (such as the amplifiers for an undersea telephone cable - which use a series connection) it isn't important. HTH.

Question:

Answers:In series circuit, the current remains the same throughout the circuit but it is hard to isolate and repair faults etc. Hence, if one load breaks down, the entire circuit breaks down. In parallel circuit, the current is divided based on the load and voltage remains same throughout the circuit. This makes it easier to isolate faults and perform repairs to the faulty branches. Therefore, if one branch fails, the other branches can keep on working.