0
In a series circuit How does the voltage from a battery compare to the voltages on each load?
Wiki User
∙ 7y ago
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.
Wiki User
∙ 14y ago
Wiki User
∙ 12y agoSerie circuit -> current flowing through each component is the same
-> total resistance over all compenents is the sum of the resistance of each individual component.
Parallel circuit -> current flowing in each branch is devide proportianly as a fraction of the total current multiplied by the relationship the resistance in that branch to the total resistance. Thus the current in each branch is smaller than in the series case, but total current increase, if resistance stays the same (see the current devision law)
-> resistance over all the parallel branches is smaller than in the serie case (see the resistance devision law)
Wiki User
∙ 14y agoThe amount of current in a series connection is the same at every point in the circuit. This is Kirchoff's current law.
Wiki User
∙ 13y agoThe sum of the currents through the branches of a simple parallel circuit is the current that flows through the voltage source.
Wiki User
∙ 13y agoidentical
Add your answer:
Earn +20 pts
What would happen if the resistance in a circuit remained the same and the voltage decreased?
A well designed circuit should be able to operate over a range of voltages, not just at one voltage. Especially a circuit which is intended to be powered by a battery. As the battery starts to get used up, and the voltage drops, you want the circuit to operate as planned.
What is true about the sum of the voltages across the components in a circuit compared to the voltage of the cell?
voltage is devided only in series circuit and is the same at the parallel circuit
What is the relationship between the potential difference across a battery and the potential difference across each load in a parallel circuit?
Without specifics (are all the batteries end to end or are some loads between batteries, are all the loads the same resistive, capacitive or inductive value...), the generic answer is: the sum of supplied voltages must equal the sum of voltage drops across the loads.
What jobs dose a battery do in the circuit?
The purpose of the battery in a circuit is to wive energy to the circuit
What reduces voltage?
It depends on what you mean by 'voltage'. For example, if you mean electromotive force (e.m.f.), then the internal resistance of a battery or generator will cause an internal voltage drop, resulting in the terminal voltage being lower than the open-circuit voltage and the greater the load, the lower the open-circuit voltage. On the other hand, if you are asking 'how' do you reduce voltage, then there are various ways. For a.c. voltages, we can use a step-down transformer. For d.c. voltages, we can use a variable resistor connected as a potentiometer, or a pair of fixed-value resistors to form a voltage divider.
How does the voltage of a double battery compare to the voltage of a single battery?
The voltage depends on how the two batteries are connected to one another. If they are connected in a series circuit (positive end to negative end) the voltage will double. If they are wired in a parallel circuit, (It
What would happen if the resistance in a circuit remained the same and the voltage decreased?
A well designed circuit should be able to operate over a range of voltages, not just at one voltage. Especially a circuit which is intended to be powered by a battery. As the battery starts to get used up, and the voltage drops, you want the circuit to operate as planned.
What is true about the sum of the voltages across the components in a circuit compared to the voltage of the cell?
voltage is devided only in series circuit and is the same at the parallel circuit
Why is the voltage across a battery in a parallel circuit equal to the voltage across each bulb?
The voltage across a battery in a parallel circuit is equal to the voltage across each bulb because Kirchoff's Voltage Law (KVL) states that the signed sum of the voltages going around a series circuit adds up to zero. Each section of the parallel circuit, i.e. the battery and one bulb, constitutes a series circuit. By KVL, the voltage across the battery must be equal and opposite to the voltage across the bulb. Another way of thinking about this is to consider that the conductors joining the battery and bulbs effectively have zero ohms resistance. By Ohm's law, this means the voltage across the conductor is zero, which means the voltage across the bulb must be equal to the voltage across the battery and, of course, the same applies for all of the bulbs.
What voltage does a potential relay operate from?
The voltage for a potential relay will depend on the circuit that the relay is installed in. The relay can be made for low voltages (5v) to higher voltages (440.)
What type of circuit in which voltage is constant?
A mercury battery will provide constant voltage. A voltage regulator circuit will also.
What is the relationship between the potential difference across a battery and the potential difference across each load in a parallel circuit?
Without specifics (are all the batteries end to end or are some loads between batteries, are all the loads the same resistive, capacitive or inductive value...), the generic answer is: the sum of supplied voltages must equal the sum of voltage drops across the loads.
Can you have batteries of different voltages?
Yes. The voltage is determined by the chemistry inside the battery.
What jobs dose a battery do in the circuit?
The purpose of the battery in a circuit is to wive energy to the circuit
What reduces voltage?
It depends on what you mean by 'voltage'. For example, if you mean electromotive force (e.m.f.), then the internal resistance of a battery or generator will cause an internal voltage drop, resulting in the terminal voltage being lower than the open-circuit voltage and the greater the load, the lower the open-circuit voltage. On the other hand, if you are asking 'how' do you reduce voltage, then there are various ways. For a.c. voltages, we can use a step-down transformer. For d.c. voltages, we can use a variable resistor connected as a potentiometer, or a pair of fixed-value resistors to form a voltage divider.
Can the total of the voltage drop across the loads of a series circuit ever exceed the total of the source voltages applied to that circuit?
no
The difference between short to a voltage circuit and short to a ground circuit?
A short circuit is an abnormal connection between two nodes intended to be at different voltages. A voltage circuit is caused intentionally for the purpose of voltage sensing. A ground circuit occurs between a phase and the ground.
