What is voltage and current in simple words

Voltage - Voltage (Electric potential difference) is defined as the pressure from a power source.Voltage pushes charged electrons (current) through a conductors and enable them to do work such as glowing a light.

In other words Voltage is a electromotive force that is the cause of electric flow.

i.e- Batteries are the sources of voltage in many electric circuits.

It is defined by Ohm's Law

V=IR

Where

I=Current measured inAmpere

V=Voltage measured in Volt

R=Resistance Measured in Ohm

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Current - Current is rate at which the electrons or electric charge flows through a conducting loop or a electric Circuit.

It is defined by Ohm's Law

I=V/R

Where

I=Current measured inAmpere

V=Voltage measured in Volt

R=Resistance Measured in Ohm

Voltmeter

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Efficiency vs effectiveness

Efficiency and effectiveness are two important concepts in business and management. They are often confused, but they have slightly different meanings 1. Efficiency: Efficiency refers to the ability to accomplish a task or achieve a goal with minimum waste of resources, time, effort, or cost. It is about maximizing output while minimizing input. In other words, efficiency focuses on how well resources are utilized to produce the desired result. A process or system is considered efficient when it can produce more output with the same or fewer resources or produce the same output with fewer resources. Example: In a manufacturing plant, an efficient production process would mean producing a higher number of units with the same amount of raw materials and labor hours. 2. Effectiveness: Effectiveness, on the other hand, refers to the extent to which a task or goal is achieved and the ability to produce the desired results. It is about the degree of success in achieving the inte...

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