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PILA DE COMBUSTIBLE PEM EN TABLERO DE DEMOSTRACION

Principle

PEM (proton exchange membrane) technology refers to the type of fuel cell favoured by car makers and companies that build combined heat and power plants. The demonstration set-up depicted here produces hydrogen using the classic method by reacting hydrochloric acid with zinc in ...

 
Detalles

Num.Producto: P1312000

The PEM solar hydrogen model

Principle

Electrical energy from solar cells supplies an electrolyser. The gases generated by the PEM electrolyser - hydrogen and oxygen - are sent directly to the PEM fuel cell. The electrical energy generated is used to drive a small motor. The solar cells can be irradiated by a ...

 
Detalles

Num.Producto: P1397600

Medición de resistencias pequeñas

Principle

The resistances of various DC conductors are determined by recording the current / voltage characteristic. The resistivity of metal rods and the contact resistance of connecting cords are calculated.

Tasks

  1. To plot the current / voltage characteristics of metal rods (copper and ...
 
Detalles

Num.Producto: P2410101

Dependencia de la temperatura de resistencias y diodos

Principle

The temperature dependence of an electrical parameter (e.g. resistance, conducting-state voltage, blocking voltage) of different components is determined. To do this, the immersion probe set is immersed in a water bath and the resistance is measured at regular temperature ...

 
Detalles

Num.Producto: P2410401

Dependencia de la temperatura de resistencias y diodos con Cobra3

 
Detalles

Num.Producto: P2410415

Dependencia de temperatura de resistencias y diodos con Cobra4

Principle

The temperature dependence of an electrical parameter (e.g. resistance, conducting-state voltage, blocking voltage) of different components is determined. To do this, the immersion probe set is immersed in a water bath and the resistance is measured at regular temperature ...

 
Detalles

Num.Producto: P2410460

Leyes de Kirchhoff

Principle

First Kirchhoff's laws are verified by measuring current, voltage and resistance in series and parallel circuits. The Wheatstone bridge circuit is used to determine unknown resistances more precisely.

Tasks

  1. Verify Kirchhoff's laws by measuring current and voltage ...
 
Detalles

Num.Producto: P2410500

Leyes de Kirchhoff con Cobra4

.Principle

First Kirchhoff's laws are verified by measuring current, voltage and resistance in series and parallel circuits. The Wheatstone bridge circuit is used to determine unknown resistances more precisely.

Tasks

  1. Verify Kirchhoff's laws by measuring current and voltage ...
 
Detalles

Num.Producto: P2410560

Balanza de corriente / fuerza sobre un conductor

Principle

The force acting on a current-carrying conductor loop in a uniform magnetic field (Lorentz force) is measured with a balance. Conductor loops of various sizes are suspended in turn from the balance, and the Lorentz force is determined as a function of the current and magnetic ...

 
Detalles

Num.Producto: P2410601

BALANZA DE CORRIENTE/FUERZA SOBRE UN COND. CON COBRA3

 
Detalles

Num.Producto: P2410615

Termogenerador semiconductor

Principle

In a semi-conductor thermogenerator, the no-load voltage and the short-circuit current are measured as a function of the temperature difference. The internal resistance, the Seebeck coefficient and the efficiency are determined.

Tasks

  1. To measure no-load voltage U0 and ...
 
Detalles

Num.Producto: P2410700

Ley de Faraday

Principle

The correlation between the amounts of substances transformed in the electrode reaction and the applied charge (amount of electricity) is described by Faraday´s law. Faraday ´s constant, which appears as a proportionality factor, can be determined experimentally from ...

 
Detalles

Num.Producto: P2411200

Conductores de segundo orden - electrólisis con módulo Gene- rador de Funciones

 
Detalles

Num.Producto: P2411315

Second order conductors - Electrolysis with Cobra4

Principle

In this experiment a copper (II) sulphate solution is to be electrolysed using two different materials - graphite electrodes and copper wires. During the electrolyses the current/voltage curves are recorded.

Task

Measure the correlation between voltage and current on ...

 
Detalles

Num.Producto: P2411360

Efecto Hall en metales

Principle

The Hall effect in thin zinc and copper foils is studied and the Hall coefficient determined. The effect of temperature on the Hall voltage is investigated.

Tasks

  1. The Hall voltage is measured in thin copper and zinc foils.
  2. The Hall coefficient is determined from ...
 
Detalles

Num.Producto: P2530300

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