During a 30-minute gaming session, an LED screen uses a power supply with a steady current of 5 A. Over this gaming duration, what amount of electric charge flows through the wire?

An electric car draws a current of 15.0 A from its battery. Over the duration of 1 hour, determine the number of electrons that have flowed from the battery to power the car.

You've installed an electric fence around your farm to protect your crops from wildlife. The fence generates a pulse of electric current with a magnitude of 10 kA for 5 μs. How much charge is delivered by the fence during one pulse?

In a neuron, sodium (Na+) ions are important for generating action potentials. A 0.35-nm-diameter sodium ion channel carries a current of 2.4 pA. How many sodium ions pass through if the ion channel opens for 1.5 ms?

A portable Bluetooth speaker with a 20 Ah battery can supply a constant current of 2 A for 10 hours before it becomes completely discharged. Determine the amount of charge that leaves the battery when the speaker is used continuously until it runs out of charge.

A circuit consists of two wires made of iron andcopper, respectively, connected in series as shown below. If the electric field strength is required to be the same in both wires, and the copper wire has a radius of 2.0 mm, determine the radius of the iron wire.

To protect an LED strip light with a maximum current draw of 0.7 Amps, a fuse wire made of a material with a melting point at a current density of 250 A/cm² is used. Determine the required radius of this fuse wire.