Circuits and Ohms Law 2nd

Front

What is the symbol for a battery?

Back

The symbol for a battery is two parallel lines, one longer than the other.

Front

What is Ohm's Law?

Back

Ohm's Law states that the current (I) through a conductor between two points is directly proportional to the voltage (V) across the two points and inversely proportional to the resistance (R). It can be expressed as V = I × R.

Front

What is the unit of current?

Back

The unit of current is Amperes (A).

Front

What is the unit of resistance?

Back

The unit of resistance is Ohms (Ω).

Front

What is the unit of voltage?

Back

The unit of voltage is Volts (V).

Front

What is a closed circuit?

Back

A closed circuit is a complete electrical circuit through which current can flow.

Front

What is an open circuit?

Back

An open circuit is a broken circuit where current cannot flow.

Front

What is a series circuit?

Back

In a series circuit, components are connected end-to-end, so the same current flows through all components.

Front

What is a parallel circuit?

Back

In a parallel circuit, components are connected across the same voltage source, allowing current to flow through multiple paths.

Front

How do you calculate current using Ohm's Law?

Back

Current (I) can be calculated using the formula I = V / R, where V is voltage and R is resistance.