Electricity Calculation: Online IGCSE Phyics Class

Calculating Wat in the Electrical Consumption The applications below are used in households. Find the amount of kWh usage for 5 hours. Give your Question 1: How much electrical energy in joules does a 100W lamp transfer in 1-second 5 seconds 1-minute Solution a) 1600 x 1 = 100J b) 100 x 5 = 500J […]

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Resistor Online IGCSE Phyics Class

Resistor is a device that limits the flow of the current.  The most commonly used film resistors can be divided into types according to the materials used: carbon-film, metal-alloy and metal-oxide.  Discuss the use of  Varistor LDR / Photoresistor Thermistor   Varistor Varistor stands for “variable resistor” and is an electronic component. It is used to […]

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