Electricity and Magnetism

Front

What is the formula to calculate voltage (V) in a circuit?

Back

Voltage (V) = Current (I) × Resistance (R) where I is in Amperes and R is in Ohms.

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.

Front

What is the unit of electric current?

Back

The unit of electric current is the Ampere (A).

Front

What is the unit of resistance?

Back

The unit of resistance is the Ohm (Ω).

Front

What is the unit of voltage?

Back

The unit of voltage is the Volt (V).

Front

What is a closed circuit?

Back

A closed circuit is a complete electrical connection around which current flows or circulates.

Front

What is an open circuit?

Back

An open circuit is a broken circuit where current cannot flow due to a gap or break in the connection.

Front

What is an insulator?

Back

An insulator is a material that does not allow electricity to flow through it easily.

Front

What is a conductor?

Back

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

Front

What does AC stand for in electrical terms?

Back

AC stands for Alternating Current.