Electric Circuits

Front

What is a parallel circuit?

Back

A parallel circuit is a type of electrical circuit where the components are connected alongside each other, so the current can split and flow through multiple paths.

Front

What happens to the other bulbs in a parallel circuit if one bulb burns out?

Back

In a parallel circuit, if one bulb burns out, the other bulbs will continue to work because each bulb has its own separate path for current.

Front

Calculate the equivalent resistance of R1=20 Ω and R2=50 Ω in parallel.

Back

The equivalent resistance (R_eq) is 14.28 Ω, calculated using the formula 1/R_eq = 1/R1 + 1/R2.

Front

What is required for a circuit to function properly?

Back

A functioning circuit requires a complete conductive path (wires), electrical resistance (devices), and an electrical potential (power source).

Front

In a series circuit, how does the current behave?

Back

In a series circuit, the current is the same for each resistor.

Front

What is the definition of electrical resistance?

Back

Electrical resistance is the opposition to the flow of electric current, measured in ohms (Ω).

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 is expressed as V = I × R.

Front

What is the difference between series and parallel circuits?

Back

In a series circuit, components are connected end-to-end, and the same current flows through all components. In a parallel circuit, components are connected across common points, allowing multiple paths for current.

Front

What is a short circuit?

Back

A short circuit occurs when there is a low-resistance connection between two points in a circuit, allowing excessive current to flow, which can cause damage.

Front

What is the role of a switch in an electrical circuit?

Back

A switch is a device that can open or close a circuit, controlling the flow of electricity.