# Why is voltage not constant in a series circuit?

## Why is voltage not constant in a series circuit?

The total voltage in a series circuit is equal to the sum of all the individual voltage drops in the circuit. As current passes through each resistor in a series circuit, it establishes a difference in potential across each individual resistance.

## What happens to voltage when current is constant?

In other words, the current is directly proportional to the voltage and inversely proportional to the resistance. If the current is held constant, an increase in voltage will result in an increase in resistance.

Why is current constant in a circuit?

The reason that current stays the same throughout a series circuit is the conservation of charge. As you noted, current is the flow rate of charge.

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Can a current flow without voltage?

Voltage attempts to make a current flow, and current will flow if the circuit is complete. It is possible to have voltage without current, but current cannot flow without voltage.

### Why is there no current in the circuit?

No current can flow if the circuit is broken – for example, when a switch is open. An electric current flows when electrons move through a conductor, such as a metal wire. The electrons are free to move from one atom to another. We call them a sea of delocalised electrons.

### Is voltage constant in a circuit?

In a series circuit the current is the same at any particular point on the circuit. The voltage in a series circuit, however, does not remain constant.

Why is voltage constant in a parallel circuit?

Originally Answered: Why is voltage constant in a parallel circuit? In a parallel circuit the voltage operates equally on every parallel element. The voltage is considered constant in this case be cause its the same at every element. Not to be confused with a constant voltage source.

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Does voltage flow in a circuit?

Voltage, as an expression of potential energy, is always relative between two locations, or points. Sometimes it is called a voltage “drop.” When a voltage source is connected to a circuit, the voltage will cause a uniform flow of charge carriers through that circuit called a current.