# Electrical engineering - practice problems - last page

Electrical engineering is an engineering discipline that generally deals with the study and application of electricity, electronics, and electromagnetism.#### Number of problems found: 166

- Resistance

Determine the bulb's resistance with the current 200 mA and is in a regular lamp (230V). - Aluminum wire

Aluminum wire of 3 mm diameter has a total weight of 1909 kg and a density of 2700 kg/m³. How long is the wire bundle? - Electrics - conductor

The wire is 107 meters long at 0 °C, and at every temperature increase of 1 °C, the length increases by 0.15 mm per 1 m length of wire. Determine a function that represents the wire's overall length as a temperature function. What is the length of the wir - Resistors

Two parallel resistors connected in series give the resulting resistance 240Ω and 57.6Ω. Determine the resistance of these resistors. - Wiring

The conduit has a cross-section 54² mm. Maybe put it into 6 conductors with a cross section S2 $mm²? - Electronics: Resistors in parallel

Concerning calculating the resistance of the parallel combination of resistors: (1)/(R) = (1)/(R_{1}) + (1)/(R_{2}) Calculate the R, if R_{1}= 17Ω a R_{2}= 20Ω

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