Current Electricity Semiconductors have _______temperature co-efficient of resistance. None of the listed here Positive Zero Negative None of the listed here Positive Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The thickness of insulation provided on the conductor depends on Both magnitude of voltage and current None of the listed here The magnitude of voltage on the conductor The magnitude of current flowing through it Both magnitude of voltage and current None of the listed here The magnitude of voltage on the conductor The magnitude of current flowing through it ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Copper Porcelain Manganin Carbon Copper Porcelain Manganin Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open Rest of the two bulbs will not light The other two bulbs will light All three bulbs will light There will be heavy current in the main line Rest of the two bulbs will not light The other two bulbs will light All three bulbs will light There will be heavy current in the main line ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 10 W 20 W 60 W 40 W 10 W 20 W 60 W 40 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. Zero Negative None of the listed here Positive Zero Negative None of the listed here Positive ANSWER DOWNLOAD EXAMIANS APP
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