Circuits Flashcard

Front

What is voltage?

Back

Voltage is the electric potential difference between two points in a circuit, measured in volts (V). It represents the energy per unit charge available to move electrons through a circuit.

Front

What is current?

Back

Current is the flow of electric charge in a circuit, measured in amperes (A). It represents the rate at which charge is flowing.

Front

What is resistance?

Back

Resistance is the opposition to the flow of electric current, measured in ohms (Ω). It determines how much current will flow for a given voltage.

Front

What is Ohm's Law?

Back

Front

What is the formula to calculate total resistance in a series circuit?

Back

Front

What is the formula to calculate total resistance in a parallel circuit?

Back

Front

How is electrical power calculated?

Back

Front

What is the unit of electrical power?

Back

The unit of electrical power is the watt (W), which is equivalent to one joule per second.

Front

What happens to current in a series circuit?

Back

In a series circuit, the current is the same through all components. If one component fails, the entire circuit is interrupted.

Front

What happens to current in a parallel circuit?

Back

In a parallel circuit, the total current is the sum of the currents through each parallel branch. If one branch fails, current can still flow through the other branches.