Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Semiconductors Thermistor Variable resistors Varistors Semiconductors Thermistor Variable resistors Varistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 1000 ohm 200 ohm 10 ohm 25 ohm 1000 ohm 200 ohm 10 ohm 25 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has High specific resistance High melting point Negligibly small temperature co-efficient of resistance Low specific resistance High specific resistance High melting point Negligibly small temperature co-efficient of resistance Low specific resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current is a Scalar quantity Vector quantity Sometimes scalar and sometimes vector Number only Scalar quantity Vector quantity Sometimes scalar and sometimes vector Number only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually None of the listed here A semiconductor An insulator A conductor None of the listed here A semiconductor An insulator A conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A wire having very high value of conductance is said to be Insulator Moderately good conductor Very good conductor None of the listed here Insulator Moderately good conductor Very good conductor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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