Basic Circuit Concepts module quiz: current, voltage, resistance, Ohm's law, power and series and parallel circuits (O-Level Electronics) quiz

The ampere

The volt

The ohm

The watt

$0.30\ \Omega$

$300\ \Omega$

$3.0\ \Omega$

$270\ \Omega$

From the negative terminal to the positive terminal of the supply

From the positive terminal to the negative terminal of the supply

In the same direction as the electrons

It has no defined direction

Ammeter in parallel, voltmeter in series

Both in series

Ammeter in series, voltmeter in parallel

Both in parallel

Its voltage-current graph is a curve that bends towards the voltage axis

Its resistance falls as the current rises

It conducts in only one direction

Its voltage-current graph is a straight line through the origin

$2.0\ \text{A}$

$0.5\ \text{A}$

$288\ \text{A}$

$12\ \text{A}$

$200\ \Omega$

$900\ \Omega$

$300\ \Omega$

$450\ \Omega$

$900\ \Omega$

$450\ \Omega$

$200\ \Omega$

$300\ \Omega$

It is largest near the positive terminal

It is the same at every point

It divides between the components

It is largest across the largest resistor

Energy equals power divided by time

Energy is independent of time

Energy equals power plus time

Energy equals power multiplied by time

$6\ \text{kWh}$

$2\ \text{kWh}$

$600\ \text{kWh}$

$0.67\ \text{kWh}$

$P = VI$

$P = V / I^2$

$P = V^2 / R$

$P = I^2 R$

The rate of flow of charge

The energy transferred per unit charge

The opposition to the flow of current

The total charge stored

$9400\ \text{V}$

$9.4\ \text{mV}$

$2.35\ \text{V}$

$9.4\ \text{V}$