Current Electricity A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be 12.1 Ω 10 Ω 9 Ω 11 Ω 12.1 Ω 10 Ω 9 Ω 11 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Temperature coefficient of resistance is expressed in terms of mhos/ohm°C mhos/°C ohms/°C ohms/ohm°C mhos/ohm°C mhos/°C ohms/°C ohms/ohm°C ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. Zero None of the listed here Negative Positive Zero None of the listed here Negative Positive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A closed switch has a resistance of About 500 ohms Zero Infinity About 50 ohms About 500 ohms Zero Infinity About 50 ohms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Inductors Conductors Insulators Semi-conductors Inductors Conductors Insulators Semi-conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 10 ohm 25 ohm 200 ohm 1000 ohm 10 ohm 25 ohm 200 ohm 1000 ohm ANSWER DOWNLOAD EXAMIANS APP
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