Series/ Parallel Circuits and Ohm's Law cits

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) of the conductor. It is expressed as V = I × R.

Front

What is a closed circuit?

Back

A closed circuit is a complete electrical circuit through which current can flow without interruption.

Front

What is an open circuit?

Back

An open circuit is an incomplete electrical circuit in which no current can flow due to a break or disconnection.

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.

Front

What is the unit of resistance?

Back

The unit of resistance is the Ohm (Ω).

Front

What is the unit of current?

Back

The unit of current is the Ampere (A).

Front

What is the unit of voltage?

Back

The unit of voltage is the Volt (V).

Front

If a 200-W light bulb is connected to a 100-V power supply, what is the current flowing through it?

Back

2.0 A (calculated using P = V × I, where P is power).

Front

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

Back

20V (calculated using V = I × R).

Front

What happens to current in a series circuit?

Back

In a series circuit, the current is the same through all components.