Voltaic Cell Equivalent Circuit | Voltaic Cell Example

equivalent circuit of cell 2

Primary and Secondary Cells The simple voltaic cell is classified as a primary cell. Primary cells can supply current until the negative electrode is completely dissolved, the electrolyte is exhausted, or perhaps until polarization renders the cell useless. A secondary cell, on the other hand, can be recharged. That is, …

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Voltaic Cell | Working and Construction of Voltaic Cell

Electrolyte Chemical Action

Voltaic Cell Definition A voltaic cell consists basically of two different metal plates immersed in an acid solution. The action of the acid removes electrons from one plate and accumulates them on the other plate. In this way, a potential difference is produced between the two plates, and a current …

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Transformer Working Principle | How Transformer Works

A transformer circuit

Transformer Definition A device consisting of two or more windings coupled by a magnetic core that is used to transform a balanced set of three-phase voltages from one voltage level to another without changing the frequency. The transformer is an essential element of an electrical power system. It is among …

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Transformer Questions and Answers

power supply inductor

Transformers Questions and Answers for Interview These questions are related to the following topics: Transformer Working Principle Voltage Regulation of Transformer Efficiency and Losses in Transformer 1. What are the following relationships in an ideal transformer? a. Turns ratio and voltage ratio? The turn’s ratio is the same as the …

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RLC Parallel Circuit Problems with Solutions

Parallel RLC Circuit Example Problems with Solutions These questions are related to Parallel RLC Circuit which is covered in detail here: Parallel RLC Circuit 1. What are the three characteristics of the voltage across each branch of a parallel RL circuit? The voltage across each of the branches is the same …

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Relay Questions and Answers

Electrical Relay Questions These questions are related to Solid State Relay Timers, ON and OFF Delay Timers, Magnetic Motor Contactors and Starters which are covered in detail here: ON Delay Timer and OFF Delay Timer Solid State Timers Motor Contactors and Starters Electromagnetic relays operate in which way? An electromechanical …

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Inductor Questions and Answers

Inductor Questions These questions are related to Capacitor Circuit, Capacitor Connections, Capacitive Reactance, and RC Circuit Time Constant which are covered in detail here: Inductors in Series | Inductors in Parallel Inductive Reactance RL Circuit Time Constant   1. Inductance is defined as what? Inductance is the ability of a …

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Basic Electronics Questions and Answers

Electronics Questions and Answers 1. A diode has a certain characteristic when operating. Explain this characteristic. The main operating characteristic of a diode is that it allows current in one direction and blocks current in the opposite direction. 2. What must the conditions be for a LED to emit light? …

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Capacitor Questions and Answers

Capacitor Questions These questions are related to Capacitor Circuit, Capacitor Connections, Capacitive Reactance, and RC Circuit Time Constant which are are covered in detail here: Capacitor in Series | Capacitors in Parallel Capacitive Reactance RC Circuit Time Constant   1. Define capacitance. The ability of an electric circuit or component …

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AC Fundamentals Solved Problems

AC Fundamentals Questions What is the definition of a generator? A generator is a machine which converts mechanical energy to electrical energy. What is the definition of an alternator? An AC generator is also called an alternator. With a six pole alternator spinning at 1200 rpm, what would the frequency …

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Solid State Timer | Solid State Relay Timer

OFF Delay Pin Layout

Solid State Timer Solid State Timers come in many shapes and sizes. The most common timers used in industry: ON-delay solid-state timers and the OFF delay solid-state timers. ON Delay Timer Connection The on-delay solid-state timer relay is a two-piece device in which one part of the device is the …

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Time Delay Relay | ON Delay Timer | OFF Delay Timer

Normally Open Timed Closed (NOTC)

Time Delay Relay Some or all industrial control systems need timing operations. Timing devices are used to cut on or off pilot devices at a preset time. Time delay relays and solid-state timers similar and are used to provide the desired delay and timing functions. Timers are constructed with dials, …

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Parallel Circuit Definition | Parallel Circuit Examples

Circuit Diagram for Parallel Connected Resistors

Parallel Circuit Definition Resistors are said to be connected in parallel when the same voltage appears across every component. With different resistance values, different currents flow through each resistor. The total current taken from the supply is the sum of all the individual resistor currents. The equivalent resistance of a …

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Difference between EMF and Potential Difference

The terminology ‘potential difference’ is a very comprehensive term and discovered in so many energy disciplines like electrical and magnetic fields, however, Electromotive Force (EMF) is solely used in the electric circuits. Though, both terms are measured in unit Volts (V), there are significant differences between them. Electromotive force (EMF) …

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