0
Is An open in the main line of a parallel circuit causes all individual branch currents to be zero?
Wiki User
∙ 11y ago
Yes, an open in main line of a parallel circuit will effect the entire circuit current and make the whole circuit current zero
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
How many parts can currents take in series and parallel circuits?
Series circuit: one path. Parallel circuit: One path for each branch (two or more).
Which circuit has different parts of the circuit on separate branches?
Any circuit that even has more than one branch is a parallel one.
Can each branch in a parallel circuit may hold several resistors?
Yes, but then it would be a 'series-parallel' circuit, not a 'parallel' circuit!
In a series circuit How does the voltage from a battery compare to the voltages on each load?
The sum of the currents through the branches of a simple parallel circuit is the current that flows through the voltage source.Kirchoff's current law: The signed sum of the currents in a series circuit is zero. The sum of the currents in the branches represents one effective path, which is in series with the voltage source, so the two effective currents must be the same.
Does the individual branch current depend upon the number of branches in a parallel circuit?
No. It only depends on the potential difference between the ends of the individual branch. If this is the power supply voltage, then the number of other branches doesn't matter.
How is a total current in a parallel circuit worked out?
sum the individual branch currents
Do individual lines in a parallel circuit have different currents flowing through them?
They can. The current in each "line" (correctly, *branch*) depends on (i) the applied voltage and (ii) the individual resistance in each branch. If the branch resistances are different, the branch currents will be different. Ohm's Law will let you calculate the individual currents.
How do you find the branch current in parallel circuit?
For each individual branch, you can use Ohm's Law - just divide the voltage by the resistance.
What are the 3 laws of parallel circuit?
Components in a parallel circuit share the same voltage. Etotal = E1 = E2 = . . . EnTotal resistance in a parallel circuit is less than any of the individual resistances. Rtotal = 1 / (1/R1 + 1/R2 + . . . 1/Rn)Total current in a parallel circuit is equal to the sum of the individual branch currents. Itotal = I1 + I2+ . . . In Answered by MD.Nazeer Ahmed,MCET Student.
How many parts can currents take in series and parallel circuits?
Series circuit: one path. Parallel circuit: One path for each branch (two or more).
What is parallel electricity?
i shocking sign of tunderAnswerThere is no such thing as 'parallel electricity'; you are probably thinking about 'parallel circuits'?A parallel circuit is one in which invidual loads are arranged in separate 'branches', with each branch subject to a common supply voltage. The individual branch currents may be added in order to determine the supply current.
How is the total current in a parallel circuit worked out?
You add up the currents in each branch. The current in each branch is just (voltage acrossd the parallel circuit)/(resistance of that branch) . ==================================== If you'd rather do it the more elegant way, then . . . -- Write down the reciprocal of the resistance of each branch. -- Add up the reciprocals. -- Take the reciprocal of the sum. The number you have now is the 'effective' resistance of the parallel circuit ... the single resistance that it looks like electrically. -- The total current through the parallel circuit is (voltage acrossd the parallel circuit)/(effective resistace of the parallel circuit) .
How do parallel circuits use current and voltage?
Kirchoff's voltage law: In a series circuit, the signed sum of the voltage drops around the circuit add up to zero. Since a parallel circuit (just the two components of the parallel circuit) also represents a series circuit, this means that the voltage across two elements in parallel must be the same.Kirchoff's current law: The signed sum of the currents entering a node is zero. In a series circuit, this means that the current at every point in that circuit is equal. In a parallel circuit, the currents entering that portion of the circuit divide, but the sum of those divided currents is equal to the current supplying them.
When two resistors are conected in parallel what happens to the current as it passes through the circuit?
According to Kirchhoff's Current Law, the sum of the individual branch currents must be equal to the total current before (and after) it branches.
Which circuit has different parts of the circuit on separate branches?
Any circuit that even has more than one branch is a parallel one.
Do all branches in a parallel circuit have to be on?
No, they do not. Think of it this way. Your house is one huge parallel circuit. Not every branch is on all the time. You turn switches on and off to turn individual branches on and off at will.
What total current delivered to a number of devices connected in parallel is the sum of the individual currents in each device Circuit breakers are resettable automatic switches that protect against a?
Yes, the total current delivered to multiple devices in parallel is the sum of the individual branch currents (the vector sum if there is inductive load). Circuit breakers are resettable automatic switches that help protect against circuit overload (such as running too many hair driers and heaters on at one time) and faults (such as dropping the hair drier into a bathtub). Circuit breakers "operate" (or open) to stop current flow to the fault or overloaded circuit.
