Front

What is resistance in physics?

Back

Resistance is a measure of the opposition to the flow of electric current in a circuit.

Front

What unit is resistance measured in?

Back

Resistance is measured in ohms (Ω).

Front

What is Ohm's Law?

Back

Ohm's Law states that the current through a conductor between two points is directly proportional to the voltage across the two points and inversely proportional to the resistance.

Front

What is the formula for calculating resistance?

Back

Resistance (R) = Voltage (V) / Current (I).

Front

What is a conductor?

Back

A conductor is a material that allows electric current to flow through it easily.

Front

What is an insulator?

Back

An insulator is a material that resists the flow of electric current.

Front

What is the difference between series and parallel circuits?

Back

In a series circuit, components are connected end-to-end, so the same current flows through all components. In a parallel circuit, components are connected across common points, so the voltage is the same across each component.

Front

What happens to total resistance in a series circuit?

Back

In a series circuit, the total resistance is the sum of the individual resistances.

Front

What happens to total resistance in a parallel circuit?

Back

In a parallel circuit, the total resistance is less than the smallest individual resistance.

Front

What is a resistor?

Back

A resistor is a component used in electrical circuits to provide resistance.