Electricity

Front

What is needed for a lamp to glow in a circuit?

Back

The switch needs to be closed.

Front

What is Ohm's Law?

Back

V = IR (Voltage = Current x Resistance)

Front

What type of circuit causes all components to stop working if one component fails?

Back

Series circuit.

Front

What voltage is required to cause a 2A current flow through a 10Ω resistor?

Back

20V.

Front

What is an open circuit?

Back

A circuit where the path is broken, preventing current from flowing.

Front

What is a closed circuit?

Back

A complete circuit that allows current to flow.

Front

What does the symbol 'V' represent in electrical formulas?

Back

Voltage.

Front

What does the symbol 'I' represent in electrical formulas?

Back

Current.

Front

What does the symbol 'R' represent in electrical formulas?

Back

Resistance.

Front

What happens to the current in a series circuit if more resistors are added?

Back

The total current decreases.