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.

The sensitivity of the thermometer is the ability of the thermometer to detect a small change in temperature. Here are some of the factors that influence the sensitivity of glass thermometers Thickness of the glass wall A thicker glass wall reduces the sensitivity of the thermometer Diameter of the.

SKIN ONLINE IGCSE COORDINATED SCIENCE CLASS Parts Function Epidermis Top Layer of the skin. Provides protection against bacteria and germs Dermis The layer where most receptors are found Pain Receptors To detect pain Touch Receptors To detect touching (smooth or rough) Pressure Receptors To detect pressure on the skin.