Current Electricity With rise in temperature the resistance of pure metals Remains constant Increases Decreases First increases and then decreases Remains constant Increases Decreases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Variable resistor Wire wound resistor Carbon resistor Metallic resistor Variable resistor Wire wound resistor Carbon resistor Metallic resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Semi-conductors Inductors Insulators Conductors Semi-conductors Inductors Insulators Conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following quantities remain the same in all parts of a series circuit? Current Power Voltage Resistance Current Power Voltage Resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 400 Ω 600 Ω 800 Ω 1000 Ω 400 Ω 600 Ω 800 Ω 1000 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Temperature coefficient of resistance is expressed in terms of mhos/ohm°C ohms/°C ohms/ohm°C mhos/°C mhos/ohm°C ohms/°C ohms/ohm°C mhos/°C ANSWER DOWNLOAD EXAMIANS APP
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